Merge trunk into HA branch.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1293742 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-02-26 04:57:17 +00:00
commit ae9014ef6a
53 changed files with 635 additions and 258 deletions

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@ -3,6 +3,7 @@ Hadoop Change Log
Trunk (unreleased changes)
INCOMPATIBLE CHANGES
HADOOP-7920. Remove Avro Rpc. (suresh)
NEW FEATURES
@ -160,8 +161,22 @@ Trunk (unreleased changes)
HADOOP-7761. Improve the performance of raw comparisons. (todd)
Release 0.23.3 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 0.23.2 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS

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@ -1,10 +1,13 @@
Hadoop HDFS Change Log
Trunk (unreleased changes)
INCOMPATIBLE CHANGES
HDFS-2676. Remove Avro RPC. (suresh)
NEW FEATURES
HDFS-395. DFS Scalability: Incremental block reports. (Tomasz Nykiel
via hairong)
@ -132,8 +135,17 @@ Trunk (unreleased changes)
HDFS-2878. Fix TestBlockRecovery and move it back into main test directory.
(todd)
HDFS-2655. BlockReaderLocal#skip performs unnecessary IO. (Brandon Li
via jitendra)
HDFS-2655. BlockReaderLocal#skip performs unnecessary IO.
(Brandon Li via jitendra)
HDFS-3003. Remove getHostPortString() from NameNode, replace it with
NetUtils.getHostPortString(). (Brandon Li via atm)
HDFS-3009. Remove duplicate code in DFSClient#isLocalAddress by using
NetUtils. (Hari Mankude via suresh)
HDFS-3002. TestNameNodeMetrics need not wait for metrics update.
(suresh)
OPTIMIZATIONS
HDFS-2477. Optimize computing the diff between a block report and the
@ -212,6 +224,20 @@ Trunk (unreleased changes)
HDFS-2968. Protocol translator for BlockRecoveryCommand broken when
multiple blocks need recovery. (todd)
Release 0.23.3 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
HDFS-2978. The NameNode should expose name dir statuses via JMX. (atm)
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 0.23.2 - UNRELEASED
INCOMPATIBLE CHANGES
@ -274,6 +300,11 @@ Release 0.23.2 - UNRELEASED
dfs.client.block.write.replace-datanode-on-failure.enable should be true.
(szetszwo)
HDFS-3008. Negative caching of local addrs doesn't work. (eli)
HDFS-3006. In WebHDFS, when the return body is empty, set the Content-Type
to application/octet-stream instead of application/json. (szetszwo)
Release 0.23.1 - 2012-02-17
INCOMPATIBLE CHANGES

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@ -576,26 +576,19 @@ public class DFSClient implements java.io.Closeable {
private static boolean isLocalAddress(InetSocketAddress targetAddr) {
InetAddress addr = targetAddr.getAddress();
Boolean cached = localAddrMap.get(addr.getHostAddress());
if (cached != null && cached) {
if (cached != null) {
if (LOG.isTraceEnabled()) {
LOG.trace("Address " + targetAddr + " is local");
LOG.trace("Address " + targetAddr +
(cached ? " is local" : " is not local"));
}
return true;
return cached;
}
// Check if the address is any local or loop back
boolean local = addr.isAnyLocalAddress() || addr.isLoopbackAddress();
boolean local = NetUtils.isLocalAddress(addr);
// Check if the address is defined on any interface
if (!local) {
try {
local = NetworkInterface.getByInetAddress(addr) != null;
} catch (SocketException e) {
local = false;
}
}
if (LOG.isTraceEnabled()) {
LOG.trace("Address " + targetAddr + " is local");
LOG.trace("Address " + targetAddr +
(local ? " is local" : " is not local"));
}
localAddrMap.put(addr.getHostAddress(), local);
return local;

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@ -519,7 +519,7 @@ public class DFSUtil {
// Use default address as fall back
String defaultAddress;
try {
defaultAddress = NameNode.getHostPortString(NameNode.getAddress(conf));
defaultAddress = NetUtils.getHostPortString(NameNode.getAddress(conf));
} catch (IllegalArgumentException e) {
defaultAddress = null;
}

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@ -117,7 +117,7 @@ public class DatanodeWebHdfsMethods {
@PUT
@Path("/")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response putRoot(
final InputStream in,
@Context final UserGroupInformation ugi,
@ -147,7 +147,7 @@ public class DatanodeWebHdfsMethods {
@PUT
@Path("{" + UriFsPathParam.NAME + ":.*}")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response put(
final InputStream in,
@Context final UserGroupInformation ugi,
@ -209,7 +209,7 @@ public class DatanodeWebHdfsMethods {
final InetSocketAddress nnHttpAddr = NameNode.getHttpAddress(conf);
final URI uri = new URI(WebHdfsFileSystem.SCHEME, null,
nnHttpAddr.getHostName(), nnHttpAddr.getPort(), fullpath, null, null);
return Response.created(uri).type(MediaType.APPLICATION_JSON).build();
return Response.created(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
default:
throw new UnsupportedOperationException(op + " is not supported");
@ -222,7 +222,7 @@ public class DatanodeWebHdfsMethods {
@POST
@Path("/")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response postRoot(
final InputStream in,
@Context final UserGroupInformation ugi,
@ -243,7 +243,7 @@ public class DatanodeWebHdfsMethods {
@POST
@Path("{" + UriFsPathParam.NAME + ":.*}")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response post(
final InputStream in,
@Context final UserGroupInformation ugi,
@ -287,7 +287,7 @@ public class DatanodeWebHdfsMethods {
IOUtils.cleanup(LOG, out);
IOUtils.cleanup(LOG, dfsclient);
}
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
default:
throw new UnsupportedOperationException(op + " is not supported");

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@ -108,13 +108,13 @@ public class BackupNode extends NameNode {
@Override // NameNode
protected void setRpcServerAddress(Configuration conf,
InetSocketAddress addr) {
conf.set(BN_ADDRESS_NAME_KEY, getHostPortString(addr));
conf.set(BN_ADDRESS_NAME_KEY, NetUtils.getHostPortString(addr));
}
@Override // Namenode
protected void setRpcServiceServerAddress(Configuration conf,
InetSocketAddress addr) {
conf.set(BN_SERVICE_RPC_ADDRESS_KEY, getHostPortString(addr));
conf.set(BN_SERVICE_RPC_ADDRESS_KEY, NetUtils.getHostPortString(addr));
}
@Override // NameNode
@ -126,7 +126,7 @@ public class BackupNode extends NameNode {
@Override // NameNode
protected void setHttpServerAddress(Configuration conf){
conf.set(BN_HTTP_ADDRESS_NAME_KEY, getHostPortString(getHttpAddress()));
conf.set(BN_HTTP_ADDRESS_NAME_KEY, NetUtils.getHostPortString(getHttpAddress()));
}
@Override // NameNode
@ -287,8 +287,8 @@ public class BackupNode extends NameNode {
InetSocketAddress nnAddress = NameNode.getServiceAddress(conf, true);
this.namenode = new NamenodeProtocolTranslatorPB(nnAddress, conf,
UserGroupInformation.getCurrentUser());
this.nnRpcAddress = getHostPortString(nnAddress);
this.nnHttpAddress = getHostPortString(super.getHttpServerAddress(conf));
this.nnRpcAddress = NetUtils.getHostPortString(nnAddress);
this.nnHttpAddress = NetUtils.getHostPortString(super.getHttpServerAddress(conf));
// get version and id info from the name-node
NamespaceInfo nsInfo = null;
while(!isStopRequested()) {

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@ -153,6 +153,8 @@ import org.apache.hadoop.hdfs.server.common.GenerationStamp;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.BlockUCState;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirType;
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
import org.apache.hadoop.hdfs.server.common.Storage;
import org.apache.hadoop.hdfs.server.common.UpgradeStatusReport;
import org.apache.hadoop.hdfs.server.common.Util;
@ -5126,6 +5128,30 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
return blockPoolId;
}
@Override // NameNodeMXBean
public String getNameDirStatuses() {
Map<String, Map<File, StorageDirType>> statusMap =
new HashMap<String, Map<File, StorageDirType>>();
Map<File, StorageDirType> activeDirs = new HashMap<File, StorageDirType>();
for (Iterator<StorageDirectory> it
= getFSImage().getStorage().dirIterator(); it.hasNext();) {
StorageDirectory st = it.next();
activeDirs.put(st.getRoot(), st.getStorageDirType());
}
statusMap.put("active", activeDirs);
List<Storage.StorageDirectory> removedStorageDirs
= getFSImage().getStorage().getRemovedStorageDirs();
Map<File, StorageDirType> failedDirs = new HashMap<File, StorageDirType>();
for (StorageDirectory st : removedStorageDirs) {
failedDirs.put(st.getRoot(), st.getStorageDirType());
}
statusMap.put("failed", failedDirs);
return JSON.toString(statusMap);
}
/** @return the block manager. */
public BlockManager getBlockManager() {
return blockManager;

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@ -71,7 +71,7 @@ public class FileChecksumServlets {
String tokenString = ugi.getTokens().iterator().next().encodeToUrlString();
dtParam = JspHelper.getDelegationTokenUrlParam(tokenString);
}
String addr = NameNode.getHostPortString(nn.getNameNodeAddress());
String addr = NetUtils.getHostPortString(nn.getNameNodeAddress());
String addrParam = JspHelper.getUrlParam(JspHelper.NAMENODE_ADDRESS, addr);
return new URL(scheme, hostname, port,

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@ -33,6 +33,7 @@ import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
import org.apache.hadoop.hdfs.server.common.JspHelper;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.ServletUtil;
@ -72,7 +73,7 @@ public class FileDataServlet extends DfsServlet {
// Add namenode address to the url params
NameNode nn = NameNodeHttpServer.getNameNodeFromContext(
getServletContext());
String addr = NameNode.getHostPortString(nn.getNameNodeAddress());
String addr = NetUtils.getHostPortString(nn.getNameNodeAddress());
String addrParam = JspHelper.getUrlParam(JspHelper.NAMENODE_ADDRESS, addr);
return new URL(scheme, hostname, port,

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@ -294,13 +294,6 @@ public class NameNode {
+ namenode.getHostName()+portString);
}
/**
* Compose a "host:port" string from the address.
*/
public static String getHostPortString(InetSocketAddress addr) {
return addr.getHostName() + ":" + addr.getPort();
}
//
// Common NameNode methods implementation for the active name-node role.
//
@ -329,7 +322,7 @@ public class NameNode {
*/
protected void setRpcServiceServerAddress(Configuration conf,
InetSocketAddress serviceRPCAddress) {
setServiceAddress(conf, getHostPortString(serviceRPCAddress));
setServiceAddress(conf, NetUtils.getHostPortString(serviceRPCAddress));
}
protected void setRpcServerAddress(Configuration conf,
@ -349,7 +342,7 @@ public class NameNode {
protected void setHttpServerAddress(Configuration conf) {
conf.set(DFS_NAMENODE_HTTP_ADDRESS_KEY,
getHostPortString(getHttpAddress()));
NetUtils.getHostPortString(getHttpAddress()));
}
protected void loadNamesystem(Configuration conf) throws IOException {
@ -362,8 +355,8 @@ public class NameNode {
NamenodeRegistration setRegistration() {
nodeRegistration = new NamenodeRegistration(
getHostPortString(rpcServer.getRpcAddress()),
getHostPortString(getHttpAddress()),
NetUtils.getHostPortString(rpcServer.getRpcAddress()),
NetUtils.getHostPortString(getHttpAddress()),
getFSImage().getStorage(), getRole());
return nodeRegistration;
}

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@ -166,4 +166,12 @@ public interface NameNodeMXBean {
* @return the block pool id
*/
public String getBlockPoolId();
/**
* Get status information about the directories storing image and edits logs
* of the NN.
*
* @return the name dir status information, as a JSON string.
*/
public String getNameDirStatuses();
}

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@ -52,6 +52,7 @@ import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
import org.apache.hadoop.hdfs.server.common.UpgradeStatusReport;
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.net.NodeBase;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
@ -409,7 +410,7 @@ class NamenodeJspHelper {
nodeToRedirect = nn.getHttpAddress().getHostName();
redirectPort = nn.getHttpAddress().getPort();
}
String addr = NameNode.getHostPortString(nn.getNameNodeAddress());
String addr = NetUtils.getHostPortString(nn.getNameNodeAddress());
String fqdn = InetAddress.getByName(nodeToRedirect).getCanonicalHostName();
redirectLocation = "http://" + fqdn + ":" + redirectPort
+ "/browseDirectory.jsp?namenodeInfoPort="

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@ -215,7 +215,7 @@ public class NamenodeWebHdfsMethods {
@PUT
@Path("/")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response putRoot(
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
@ -263,7 +263,7 @@ public class NamenodeWebHdfsMethods {
@PUT
@Path("{" + UriFsPathParam.NAME + ":.*}")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response put(
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
@ -324,7 +324,7 @@ public class NamenodeWebHdfsMethods {
final URI uri = redirectURI(namenode, ugi, delegation, username, doAsUser,
fullpath, op.getValue(), -1L,
permission, overwrite, bufferSize, replication, blockSize);
return Response.temporaryRedirect(uri).build();
return Response.temporaryRedirect(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case MKDIRS:
{
@ -336,7 +336,7 @@ public class NamenodeWebHdfsMethods {
{
np.createSymlink(destination.getValue(), fullpath,
PermissionParam.getDefaultFsPermission(), createParent.getValue());
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case RENAME:
{
@ -348,7 +348,7 @@ public class NamenodeWebHdfsMethods {
} else {
np.rename2(fullpath, destination.getValue(),
s.toArray(new Options.Rename[s.size()]));
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
}
case SETREPLICATION:
@ -364,17 +364,17 @@ public class NamenodeWebHdfsMethods {
}
np.setOwner(fullpath, owner.getValue(), group.getValue());
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case SETPERMISSION:
{
np.setPermission(fullpath, permission.getFsPermission());
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case SETTIMES:
{
np.setTimes(fullpath, modificationTime.getValue(), accessTime.getValue());
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case RENEWDELEGATIONTOKEN:
{
@ -389,7 +389,7 @@ public class NamenodeWebHdfsMethods {
final Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>();
token.decodeFromUrlString(delegationTokenArgument.getValue());
np.cancelDelegationToken(token);
return Response.ok().type(MediaType.APPLICATION_JSON).build();
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
default:
throw new UnsupportedOperationException(op + " is not supported");
@ -406,7 +406,7 @@ public class NamenodeWebHdfsMethods {
@POST
@Path("/")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response postRoot(
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
@ -427,7 +427,7 @@ public class NamenodeWebHdfsMethods {
@POST
@Path("{" + UriFsPathParam.NAME + ":.*}")
@Consumes({"*/*"})
@Produces({MediaType.APPLICATION_JSON})
@Produces({MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
public Response post(
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
@ -459,7 +459,7 @@ public class NamenodeWebHdfsMethods {
{
final URI uri = redirectURI(namenode, ugi, delegation, username, doAsUser,
fullpath, op.getValue(), -1L, bufferSize);
return Response.temporaryRedirect(uri).build();
return Response.temporaryRedirect(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
default:
throw new UnsupportedOperationException(op + " is not supported");
@ -542,7 +542,7 @@ public class NamenodeWebHdfsMethods {
{
final URI uri = redirectURI(namenode, ugi, delegation, username, doAsUser,
fullpath, op.getValue(), offset.getValue(), offset, length, bufferSize);
return Response.temporaryRedirect(uri).build();
return Response.temporaryRedirect(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case GET_BLOCK_LOCATIONS:
{
@ -578,7 +578,7 @@ public class NamenodeWebHdfsMethods {
{
final URI uri = redirectURI(namenode, ugi, delegation, username, doAsUser,
fullpath, op.getValue(), -1L);
return Response.temporaryRedirect(uri).build();
return Response.temporaryRedirect(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case GETDELEGATIONTOKEN:
{

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@ -756,10 +756,10 @@ public class MiniDFSCluster {
// After the NN has started, set back the bound ports into
// the conf
conf.set(DFSUtil.addKeySuffixes(
DFS_NAMENODE_RPC_ADDRESS_KEY, nameserviceId, nnId), NameNode
DFS_NAMENODE_RPC_ADDRESS_KEY, nameserviceId, nnId), NetUtils
.getHostPortString(nn.getNameNodeAddress()));
conf.set(DFSUtil.addKeySuffixes(
DFS_NAMENODE_HTTP_ADDRESS_KEY, nameserviceId, nnId), NameNode
DFS_NAMENODE_HTTP_ADDRESS_KEY, nameserviceId, nnId), NetUtils
.getHostPortString(nn.getHttpAddress()));
DFSUtil.setGenericConf(conf, nameserviceId, nnId,
DFS_NAMENODE_HTTP_ADDRESS_KEY);
@ -779,7 +779,7 @@ public class MiniDFSCluster {
*/
public URI getURI(int nnIndex) {
InetSocketAddress addr = nameNodes[nnIndex].nameNode.getNameNodeAddress();
String hostPort = NameNode.getHostPortString(addr);
String hostPort = NetUtils.getHostPortString(addr);
URI uri = null;
try {
uri = new URI("hdfs://" + hostPort);

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@ -35,6 +35,7 @@ import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.server.common.JspHelper;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.util.ServletUtil;
import org.junit.Test;
import org.mockito.Mockito;
@ -134,7 +135,7 @@ public class TestDatanodeJsp {
Mockito.doReturn("100").when(reqMock).getParameter("chunkSizeToView");
Mockito.doReturn("1").when(reqMock).getParameter("startOffset");
Mockito.doReturn("1024").when(reqMock).getParameter("blockSize");
Mockito.doReturn(NameNode.getHostPortString(NameNode.getAddress(CONF)))
Mockito.doReturn(NetUtils.getHostPortString(NameNode.getAddress(CONF)))
.when(reqMock).getParameter("nnaddr");
Mockito.doReturn(testFile.toString()).when(reqMock).getPathInfo();
}

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@ -40,6 +40,7 @@ import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
import org.apache.hadoop.hdfs.server.namenode.FileJournalManager.EditLogFile;
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.log4j.Level;
import org.junit.Before;
@ -333,7 +334,7 @@ public class TestBackupNode {
InetSocketAddress add = backup.getNameNodeAddress();
// Write to BN
FileSystem bnFS = FileSystem.get(new Path("hdfs://"
+ NameNode.getHostPortString(add)).toUri(), conf);
+ NetUtils.getHostPortString(add)).toUri(), conf);
boolean canWrite = true;
try {
TestCheckpoint.writeFile(bnFS, file3, replication);

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@ -58,6 +58,7 @@ import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
import org.apache.hadoop.hdfs.tools.DFSAdmin;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.test.GenericTestUtils.DelayAnswer;
import org.apache.hadoop.util.StringUtils;
@ -1433,7 +1434,7 @@ public class TestCheckpoint extends TestCase {
.format(true).build();
NamenodeProtocols nn = cluster.getNameNodeRpc();
String fsName = NameNode.getHostPortString(
String fsName = NetUtils.getHostPortString(
cluster.getNameNode().getHttpAddress());
// Make a finalized log on the server side.

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@ -17,23 +17,33 @@
*/
package org.apache.hadoop.hdfs.server.namenode;
import static org.junit.Assert.*;
import java.io.File;
import java.lang.management.ManagementFactory;
import java.net.URI;
import java.util.Collection;
import java.util.Map;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
import org.apache.hadoop.util.VersionInfo;
import org.junit.Test;
import org.mortbay.util.ajax.JSON;
import junit.framework.Assert;
/**
* Class for testing {@link NameNodeMXBean} implementation
*/
public class TestNameNodeMXBean {
@SuppressWarnings({ "unchecked", "deprecation" })
@Test
public void testNameNodeMXBeanInfo() throws Exception {
Configuration conf = new Configuration();
@ -88,8 +98,46 @@ public class TestNameNodeMXBean {
String deadnodeinfo = (String) (mbs.getAttribute(mxbeanName,
"DeadNodes"));
Assert.assertEquals(fsn.getDeadNodes(), deadnodeinfo);
// get attribute NameDirStatuses
String nameDirStatuses = (String) (mbs.getAttribute(mxbeanName,
"NameDirStatuses"));
Assert.assertEquals(fsn.getNameDirStatuses(), nameDirStatuses);
Map<String, Map<String, String>> statusMap =
(Map<String, Map<String, String>>) JSON.parse(nameDirStatuses);
Collection<URI> nameDirUris = cluster.getNameDirs(0);
for (URI nameDirUri : nameDirUris) {
File nameDir = new File(nameDirUri);
System.out.println("Checking for the presence of " + nameDir +
" in active name dirs.");
assertTrue(statusMap.get("active").containsKey(nameDir.getAbsolutePath()));
}
assertEquals(2, statusMap.get("active").size());
assertEquals(0, statusMap.get("failed").size());
// This will cause the first dir to fail.
File failedNameDir = new File(nameDirUris.toArray(new URI[0])[0]);
assertEquals(0, FileUtil.chmod(failedNameDir.getAbsolutePath(), "000"));
cluster.getNameNodeRpc().rollEditLog();
nameDirStatuses = (String) (mbs.getAttribute(mxbeanName,
"NameDirStatuses"));
statusMap = (Map<String, Map<String, String>>) JSON.parse(nameDirStatuses);
for (URI nameDirUri : nameDirUris) {
File nameDir = new File(nameDirUri);
String expectedStatus =
nameDir.equals(failedNameDir) ? "failed" : "active";
System.out.println("Checking for the presence of " + nameDir +
" in " + expectedStatus + " name dirs.");
assertTrue(statusMap.get(expectedStatus).containsKey(
nameDir.getAbsolutePath()));
}
assertEquals(1, statusMap.get("active").size());
assertEquals(1, statusMap.get("failed").size());
} finally {
if (cluster != null) {
for (URI dir : cluster.getNameDirs(0)) {
FileUtil.chmod(new File(dir).toString(), "700");
}
cluster.shutdown();
}
}

View File

@ -43,6 +43,7 @@ import org.apache.hadoop.hdfs.DFSInputStream;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.server.common.JspHelper;
import org.apache.hadoop.net.NetUtils;
import org.junit.Test;
import org.mockito.Mockito;
import org.mortbay.jetty.InclusiveByteRange;
@ -263,7 +264,7 @@ public class TestStreamFile {
Mockito.doReturn(CONF).when(mockServletContext).getAttribute(
JspHelper.CURRENT_CONF);
Mockito.doReturn(NameNode.getHostPortString(NameNode.getAddress(CONF)))
Mockito.doReturn(NetUtils.getHostPortString(NameNode.getAddress(CONF)))
.when(mockHttpServletRequest).getParameter("nnaddr");
Mockito.doReturn(testFile.toString()).when(mockHttpServletRequest)
.getPathInfo();

View File

@ -27,6 +27,7 @@ import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.util.StringUtils;
import org.junit.Test;
import org.mockito.Mockito;
@ -54,7 +55,7 @@ public class TestTransferFsImage {
new File("/xxxxx-does-not-exist/blah"));
try {
String fsName = NameNode.getHostPortString(
String fsName = NetUtils.getHostPortString(
cluster.getNameNode().getHttpAddress());
String id = "getimage=1&txid=0";
@ -86,7 +87,7 @@ public class TestTransferFsImage {
);
try {
String fsName = NameNode.getHostPortString(
String fsName = NetUtils.getHostPortString(
cluster.getNameNode().getHttpAddress());
String id = "getimage=1&txid=0";

View File

@ -103,12 +103,6 @@ public class TestNameNodeMetrics {
DFSTestUtil.createFile(fs, file, fileLen, replicas, rand.nextLong());
}
private void updateMetrics() throws Exception {
// Wait for metrics update (corresponds to dfs.namenode.replication.interval
// for some block related metrics to get updated)
Thread.sleep(1000);
}
private void readFile(FileSystem fileSys,Path name) throws IOException {
//Just read file so that getNumBlockLocations are incremented
DataInputStream stm = fileSys.open(name);
@ -125,7 +119,6 @@ public class TestNameNodeMetrics {
createFile(file, 3200, (short)3);
final long blockCount = 32;
int blockCapacity = namesystem.getBlockCapacity();
updateMetrics();
assertGauge("BlockCapacity", blockCapacity, getMetrics(NS_METRICS));
MetricsRecordBuilder rb = getMetrics(NN_METRICS);
@ -140,7 +133,6 @@ public class TestNameNodeMetrics {
while (threshold < blockCount) {
blockCapacity <<= 1;
}
updateMetrics();
long filesTotal = file.depth() + 1; // Add 1 for root
rb = getMetrics(NS_METRICS);
assertGauge("FilesTotal", filesTotal, rb);
@ -150,7 +142,6 @@ public class TestNameNodeMetrics {
filesTotal--; // reduce the filecount for deleted file
waitForDeletion();
updateMetrics();
rb = getMetrics(NS_METRICS);
assertGauge("FilesTotal", filesTotal, rb);
assertGauge("BlocksTotal", 0L, rb);
@ -179,7 +170,7 @@ public class TestNameNodeMetrics {
} finally {
cluster.getNamesystem().writeUnlock();
}
updateMetrics();
Thread.sleep(1000); // Wait for block to be marked corrupt
MetricsRecordBuilder rb = getMetrics(NS_METRICS);
assertGauge("CorruptBlocks", 1L, rb);
assertGauge("PendingReplicationBlocks", 1L, rb);
@ -201,7 +192,6 @@ public class TestNameNodeMetrics {
createFile(file, 100, (short)2);
long totalBlocks = 1;
NameNodeAdapter.setReplication(namesystem, file.toString(), (short)1);
updateMetrics();
MetricsRecordBuilder rb = getMetrics(NS_METRICS);
assertGauge("ExcessBlocks", totalBlocks, rb);
fs.delete(file, true);
@ -224,7 +214,7 @@ public class TestNameNodeMetrics {
} finally {
cluster.getNamesystem().writeUnlock();
}
updateMetrics();
Thread.sleep(1000); // Wait for block to be marked corrupt
MetricsRecordBuilder rb = getMetrics(NS_METRICS);
assertGauge("UnderReplicatedBlocks", 1L, rb);
assertGauge("MissingBlocks", 1L, rb);
@ -246,7 +236,6 @@ public class TestNameNodeMetrics {
Path target = getTestPath("target");
createFile(target, 100, (short)1);
fs.rename(src, target, Rename.OVERWRITE);
updateMetrics();
MetricsRecordBuilder rb = getMetrics(NN_METRICS);
assertCounter("FilesRenamed", 1L, rb);
assertCounter("FilesDeleted", 1L, rb);
@ -274,7 +263,6 @@ public class TestNameNodeMetrics {
//Perform create file operation
createFile(file1_Path,100,(short)2);
updateMetrics();
//Create file does not change numGetBlockLocations metric
//expect numGetBlockLocations = 0 for previous and current interval
@ -283,14 +271,12 @@ public class TestNameNodeMetrics {
// Open and read file operation increments GetBlockLocations
// Perform read file operation on earlier created file
readFile(fs, file1_Path);
updateMetrics();
// Verify read file operation has incremented numGetBlockLocations by 1
assertCounter("GetBlockLocations", 1L, getMetrics(NN_METRICS));
// opening and reading file twice will increment numGetBlockLocations by 2
readFile(fs, file1_Path);
readFile(fs, file1_Path);
updateMetrics();
assertCounter("GetBlockLocations", 3L, getMetrics(NN_METRICS));
}
@ -308,7 +294,6 @@ public class TestNameNodeMetrics {
assertGauge("TransactionsSinceLastLogRoll", 1L, getMetrics(NS_METRICS));
fs.mkdirs(new Path(TEST_ROOT_DIR_PATH, "/tmp"));
updateMetrics();
assertGauge("LastCheckpointTime", lastCkptTime, getMetrics(NS_METRICS));
assertGauge("LastWrittenTransactionId", 2L, getMetrics(NS_METRICS));
@ -316,7 +301,6 @@ public class TestNameNodeMetrics {
assertGauge("TransactionsSinceLastLogRoll", 2L, getMetrics(NS_METRICS));
cluster.getNameNodeRpc().rollEditLog();
updateMetrics();
assertGauge("LastCheckpointTime", lastCkptTime, getMetrics(NS_METRICS));
assertGauge("LastWrittenTransactionId", 4L, getMetrics(NS_METRICS));
@ -326,7 +310,6 @@ public class TestNameNodeMetrics {
cluster.getNameNodeRpc().setSafeMode(SafeModeAction.SAFEMODE_ENTER);
cluster.getNameNodeRpc().saveNamespace();
cluster.getNameNodeRpc().setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
updateMetrics();
long newLastCkptTime = MetricsAsserts.getLongGauge("LastCheckpointTime",
getMetrics(NS_METRICS));

View File

@ -35,10 +35,10 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.*;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.DFSUtil.ConfiguredNNAddress;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.hdfs.tools.GetConf;
import org.apache.hadoop.hdfs.tools.GetConf.Command;
import org.apache.hadoop.hdfs.tools.GetConf.CommandHandler;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.util.ToolRunner;
import org.junit.Test;
@ -88,7 +88,7 @@ public class TestGetConf {
private String[] toStringArray(List<ConfiguredNNAddress> list) {
String[] ret = new String[list.size()];
for (int i = 0; i < list.size(); i++) {
ret[i] = NameNode.getHostPortString(list.get(i).getAddress());
ret[i] = NetUtils.getHostPortString(list.get(i).getAddress());
}
return ret;
}

View File

@ -27,6 +27,7 @@ import java.net.URL;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.MediaType;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.BlockLocation;
@ -314,6 +315,8 @@ public class TestWebHdfsFileSystemContract extends FileSystemContractBaseTest {
conn.setRequestMethod(op.getType().toString());
conn.connect();
assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode());
assertEquals(0, conn.getContentLength());
assertEquals(MediaType.APPLICATION_OCTET_STREAM, conn.getContentType());
assertEquals((short)0755, webhdfs.getFileStatus(dir).getPermission().toShort());
conn.disconnect();
}

View File

@ -14,6 +14,7 @@ Trunk (unreleased changes)
(Plamen Jeliazkov via shv)
IMPROVEMENTS
MAPREDUCE-3787. [Gridmix] Optimize job monitoring and STRESS mode for
faster job submission. (amarrk)
@ -92,10 +93,23 @@ Trunk (unreleased changes)
MAPREDUCE-3818. Fixed broken compilation in TestSubmitJob after the patch
for HDFS-2895. (Suresh Srinivas via vinodkv)
Release 0.23.2 - UNRELEASED
Release 0.23.3 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 0.23.2 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
MAPREDUCE-3849. Change TokenCache's reading of the binary token file
@ -107,9 +121,20 @@ Release 0.23.2 - UNRELEASED
MAPREDUCE-3877 Add a test to formalise the current state transitions
of the yarn lifecycle. (stevel)
MAPREDUCE-3866. Fixed the bin/yarn script to not print the command line
unnecessarily. (vinodkv)
MAPREDUCE-3730. Modified RM to allow restarted NMs to be able to join the
cluster without waiting for expiry. (Jason Lowe via vinodkv)
MAPREDUCE-2793. Corrected AppIDs, JobIDs, TaskAttemptIDs to be of correct
format on the web pages. (Bikas Saha via vinodkv)
OPTIMIZATIONS
BUG FIXES
MAPREDUCE-3918 proc_historyserver no longer in command line arguments for
HistoryServer (Jon Eagles via bobby)
MAPREDUCE-3862. Nodemanager can appear to hang on shutdown due to lingering
DeletionService threads (Jason Lowe via bobby)
@ -143,6 +168,10 @@ Release 0.23.2 - UNRELEASED
MAPREDUCE-3738. MM can hang during shutdown if AppLogAggregatorImpl thread
dies unexpectedly (Jason Lowe via sseth)
MAPREDUCE-3904 Job history produced with mapreduce.cluster.acls.enabled
false can not be viewed with mapreduce.cluster.acls.enabled true
(Jonathon Eagles via tgraves)
Release 0.23.1 - 2012-02-17
INCOMPATIBLE CHANGES

View File

@ -136,4 +136,4 @@ fi
HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,NullAppender}"
export CLASSPATH
exec "$JAVA" $JAVA_HEAP_MAX $HADOOP_OPTS $CLASS "$@"
exec "$JAVA" -Dproc_$COMMAND $JAVA_HEAP_MAX $HADOOP_OPTS $CLASS "$@"

View File

@ -438,6 +438,9 @@ public class JobImpl implements org.apache.hadoop.mapreduce.v2.app.job.Job,
public boolean checkAccess(UserGroupInformation callerUGI,
JobACL jobOperation) {
AccessControlList jobACL = jobACLs.get(jobOperation);
if (jobACL == null) {
return true;
}
return aclsManager.checkAccess(callerUGI, jobOperation, username, jobACL);
}

View File

@ -99,6 +99,14 @@ public class AMWebServices {
try {
jobId = MRApps.toJobID(jid);
} catch (YarnException e) {
// TODO: after MAPREDUCE-2793 YarnException is probably not expected here
// anymore but keeping it for now just in case other stuff starts failing.
// Also, the webservice should ideally return BadRequest (HTTP:400) when
// the id is malformed instead of NotFound (HTTP:404). The webserver on
// top of which AMWebServices is built seems to automatically do that for
// unhandled exceptions
throw new NotFoundException(e.getMessage());
} catch (IllegalArgumentException e) {
throw new NotFoundException(e.getMessage());
}
if (jobId == null) {
@ -121,9 +129,17 @@ public class AMWebServices {
try {
taskID = MRApps.toTaskID(tid);
} catch (YarnException e) {
// TODO: after MAPREDUCE-2793 YarnException is probably not expected here
// anymore but keeping it for now just in case other stuff starts failing.
// Also, the webservice should ideally return BadRequest (HTTP:400) when
// the id is malformed instead of NotFound (HTTP:404). The webserver on
// top of which AMWebServices is built seems to automatically do that for
// unhandled exceptions
throw new NotFoundException(e.getMessage());
} catch (NumberFormatException ne) {
throw new NotFoundException(ne.getMessage());
} catch (IllegalArgumentException e) {
throw new NotFoundException(e.getMessage());
}
if (taskID == null) {
throw new NotFoundException("taskid " + tid + " not found or invalid");
@ -146,9 +162,17 @@ public class AMWebServices {
try {
attemptId = MRApps.toTaskAttemptID(attId);
} catch (YarnException e) {
// TODO: after MAPREDUCE-2793 YarnException is probably not expected here
// anymore but keeping it for now just in case other stuff starts failing.
// Also, the webservice should ideally return BadRequest (HTTP:400) when
// the id is malformed instead of NotFound (HTTP:404). The webserver on
// top of which AMWebServices is built seems to automatically do that for
// unhandled exceptions
throw new NotFoundException(e.getMessage());
} catch (NumberFormatException ne) {
throw new NotFoundException(ne.getMessage());
} catch (IllegalArgumentException e) {
throw new NotFoundException(e.getMessage());
}
if (attemptId == null) {
throw new NotFoundException("task attempt id " + attId

View File

@ -106,6 +106,20 @@ public class MockJobs extends MockApps {
return newAppName();
}
/**
* Create numJobs in a map with jobs having appId==jobId
*/
public static Map<JobId, Job> newJobs(int numJobs, int numTasksPerJob,
int numAttemptsPerTask) {
Map<JobId, Job> map = Maps.newHashMap();
for (int j = 0; j < numJobs; ++j) {
ApplicationId appID = MockJobs.newAppID(j);
Job job = newJob(appID, j, numTasksPerJob, numAttemptsPerTask);
map.put(job.getID(), job);
}
return map;
}
public static Map<JobId, Job> newJobs(ApplicationId appID, int numJobsPerApp,
int numTasksPerJob, int numAttemptsPerTask) {
Map<JobId, Job> map = Maps.newHashMap();

View File

@ -191,5 +191,16 @@ public class TestJobImpl {
null, null, null, true, null, 0, null);
Assert.assertTrue(job4.checkAccess(ugi1, JobACL.VIEW_JOB));
Assert.assertTrue(job4.checkAccess(ugi2, JobACL.VIEW_JOB));
// Setup configuration access without security enabled
Configuration conf5 = new Configuration();
conf5.setBoolean(MRConfig.MR_ACLS_ENABLED, true);
conf5.set(MRJobConfig.JOB_ACL_VIEW_JOB, "");
// Verify access
JobImpl job5 = new JobImpl(jobId, null, conf5, null, null, null, null, null,
null, null, null, true, null, 0, null);
Assert.assertTrue(job5.checkAccess(ugi1, null));
Assert.assertTrue(job5.checkAccess(ugi2, null));
}
}

View File

@ -396,36 +396,36 @@ public class TestAMWebServicesAttempts extends JerseyTest {
public void testTaskAttemptIdBogus() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("bogusid",
"java.lang.Exception: Error parsing attempt ID: bogusid");
"java.lang.Exception: TaskAttemptId string : bogusid is not properly formed");
}
@Test
public void testTaskAttemptIdNonExist() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric(
"attempt_12345_0_0_r_1_0",
"java.lang.Exception: Error getting info on task attempt id attempt_12345_0_0_r_1_0");
"attempt_0_12345_m_000000_0",
"java.lang.Exception: Error getting info on task attempt id attempt_0_12345_m_000000_0");
}
@Test
public void testTaskAttemptIdInvalid() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("attempt_12345_0_0_d_1_0",
"java.lang.Exception: Unknown task symbol: d");
testTaskAttemptIdErrorGeneric("attempt_0_12345_d_000000_0",
"java.lang.Exception: Bad TaskType identifier. TaskAttemptId string : attempt_0_12345_d_000000_0 is not properly formed.");
}
@Test
public void testTaskAttemptIdInvalid2() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("attempt_12345_0_r_1_0",
"java.lang.Exception: For input string: \"r\"");
testTaskAttemptIdErrorGeneric("attempt_12345_m_000000_0",
"java.lang.Exception: TaskAttemptId string : attempt_12345_m_000000_0 is not properly formed");
}
@Test
public void testTaskAttemptIdInvalid3() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("attempt_12345_0_0_r_1",
"java.lang.Exception: Error parsing attempt ID: attempt_12345_0_0_r_1");
testTaskAttemptIdErrorGeneric("attempt_0_12345_m_000000",
"java.lang.Exception: TaskAttemptId string : attempt_0_12345_m_000000 is not properly formed");
}
private void testTaskAttemptIdErrorGeneric(String attid, String error)

View File

@ -320,7 +320,7 @@ public class TestAMWebServicesJobs extends JerseyTest {
try {
r.path("ws").path("v1").path("mapreduce").path("jobs")
.path("job_1234_1_2").get(JSONObject.class);
.path("job_0_1234").get(JSONObject.class);
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
@ -333,7 +333,7 @@ public class TestAMWebServicesJobs extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: job, job_1234_1_2, is not found", message);
"java.lang.Exception: job, job_0_1234, is not found", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -351,7 +351,7 @@ public class TestAMWebServicesJobs extends JerseyTest {
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
assertEquals(Status.NOT_FOUND, response.getClientResponseStatus());
assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
JSONObject msg = response.getEntity(JSONObject.class);
JSONObject exception = msg.getJSONObject("RemoteException");
@ -374,7 +374,7 @@ public class TestAMWebServicesJobs extends JerseyTest {
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
assertEquals(Status.NOT_FOUND, response.getClientResponseStatus());
assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
JSONObject msg = response.getEntity(JSONObject.class);
JSONObject exception = msg.getJSONObject("RemoteException");
@ -397,7 +397,7 @@ public class TestAMWebServicesJobs extends JerseyTest {
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
assertEquals(Status.NOT_FOUND, response.getClientResponseStatus());
assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType());
String msg = response.getEntity(String.class);
System.out.println(msg);
@ -418,11 +418,12 @@ public class TestAMWebServicesJobs extends JerseyTest {
private void verifyJobIdInvalid(String message, String type, String classname) {
WebServicesTestUtils.checkStringMatch("exception message",
"For input string: \"foo\"", message);
"java.lang.Exception: JobId string : job_foo is not properly formed",
message);
WebServicesTestUtils.checkStringMatch("exception type",
"NumberFormatException", type);
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
"java.lang.NumberFormatException", classname);
"org.apache.hadoop.yarn.webapp.NotFoundException", classname);
}
@Test
@ -443,8 +444,11 @@ public class TestAMWebServicesJobs extends JerseyTest {
String message = exception.getString("message");
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Error parsing job ID: bogusfoo", message);
WebServicesTestUtils
.checkStringMatch(
"exception message",
"java.lang.Exception: JobId string : bogusfoo is not properly formed",
message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",

View File

@ -424,7 +424,8 @@ public class TestAMWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Error parsing task ID: bogustaskid", message);
"java.lang.Exception: TaskId string : "
+ "bogustaskid is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -439,7 +440,7 @@ public class TestAMWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_0_m_0";
String tid = "task_0_0000_m_000000";
try {
r.path("ws").path("v1").path("mapreduce").path("jobs").path(jobId)
.path("tasks").path(tid).get(JSONObject.class);
@ -455,7 +456,7 @@ public class TestAMWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: task not found with id task_1234_0_0_m_0",
"java.lang.Exception: task not found with id task_0_0000_m_000000",
message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
@ -471,7 +472,7 @@ public class TestAMWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_0_d_0";
String tid = "task_0_0000_d_000000";
try {
r.path("ws").path("v1").path("mapreduce").path("jobs").path(jobId)
.path("tasks").path(tid).get(JSONObject.class);
@ -487,7 +488,8 @@ public class TestAMWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Unknown task symbol: d", message);
"java.lang.Exception: Bad TaskType identifier. TaskId string : "
+ "task_0_0000_d_000000 is not properly formed.", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -502,7 +504,7 @@ public class TestAMWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_m_0";
String tid = "task_0_m_000000";
try {
r.path("ws").path("v1").path("mapreduce").path("jobs").path(jobId)
.path("tasks").path(tid).get(JSONObject.class);
@ -518,7 +520,8 @@ public class TestAMWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: For input string: \"m\"", message);
"java.lang.Exception: TaskId string : "
+ "task_0_m_000000 is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -533,7 +536,7 @@ public class TestAMWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_0_m";
String tid = "task_0_0000_m";
try {
r.path("ws").path("v1").path("mapreduce").path("jobs").path(jobId)
.path("tasks").path(tid).get(JSONObject.class);
@ -549,8 +552,8 @@ public class TestAMWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Error parsing task ID: task_1234_0_0_m",
message);
"java.lang.Exception: TaskId string : "
+ "task_0_0000_m is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",

View File

@ -506,11 +506,9 @@ public class JobHistoryUtils {
sb.append(address.getHostName());
}
sb.append(":").append(address.getPort());
sb.append("/jobhistory/job/"); // TODO This will change when the history server
// understands apps.
// TOOD Use JobId toString once UI stops using _id_id
sb.append("job_").append(appId.getClusterTimestamp());
sb.append("_").append(appId.getId()).append("_").append(appId.getId());
sb.append("/jobhistory/job/");
JobID jobId = TypeConverter.fromYarn(appId);
sb.append(jobId.toString());
return sb.toString();
}
}

View File

@ -18,9 +18,6 @@
package org.apache.hadoop.mapreduce.v2.util;
import static org.apache.hadoop.yarn.util.StringHelper._join;
import static org.apache.hadoop.yarn.util.StringHelper._split;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
@ -30,7 +27,6 @@ import java.net.URI;
import java.net.URL;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@ -39,7 +35,11 @@ import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.TaskID;
import org.apache.hadoop.mapreduce.TypeConverter;
import org.apache.hadoop.mapreduce.filecache.DistributedCache;
import org.apache.hadoop.mapreduce.v2.api.records.JobId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
@ -50,12 +50,10 @@ import org.apache.hadoop.yarn.ContainerLogAppender;
import org.apache.hadoop.yarn.YarnException;
import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
import org.apache.hadoop.yarn.api.ApplicationConstants;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.LocalResource;
import org.apache.hadoop.yarn.api.records.LocalResourceType;
import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.util.Apps;
import org.apache.hadoop.yarn.util.BuilderUtils;
@ -65,64 +63,28 @@ import org.apache.hadoop.yarn.util.BuilderUtils;
@Private
@Unstable
public class MRApps extends Apps {
public static final String JOB = "job";
public static final String TASK = "task";
public static final String ATTEMPT = "attempt";
public static String toString(JobId jid) {
return _join(JOB, jid.getAppId().getClusterTimestamp(), jid.getAppId().getId(), jid.getId());
return jid.toString();
}
public static JobId toJobID(String jid) {
Iterator<String> it = _split(jid).iterator();
return toJobID(JOB, jid, it);
}
// mostly useful for parsing task/attempt id like strings
public static JobId toJobID(String prefix, String s, Iterator<String> it) {
ApplicationId appId = toAppID(prefix, s, it);
shouldHaveNext(prefix, s, it);
JobId jobId = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(JobId.class);
jobId.setAppId(appId);
jobId.setId(Integer.parseInt(it.next()));
return jobId;
return TypeConverter.toYarn(JobID.forName(jid));
}
public static String toString(TaskId tid) {
return _join("task", tid.getJobId().getAppId().getClusterTimestamp(), tid.getJobId().getAppId().getId(),
tid.getJobId().getId(), taskSymbol(tid.getTaskType()), tid.getId());
return tid.toString();
}
public static TaskId toTaskID(String tid) {
Iterator<String> it = _split(tid).iterator();
return toTaskID(TASK, tid, it);
}
public static TaskId toTaskID(String prefix, String s, Iterator<String> it) {
JobId jid = toJobID(prefix, s, it);
shouldHaveNext(prefix, s, it);
TaskId tid = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(TaskId.class);
tid.setJobId(jid);
tid.setTaskType(taskType(it.next()));
shouldHaveNext(prefix, s, it);
tid.setId(Integer.parseInt(it.next()));
return tid;
return TypeConverter.toYarn(TaskID.forName(tid));
}
public static String toString(TaskAttemptId taid) {
return _join("attempt", taid.getTaskId().getJobId().getAppId().getClusterTimestamp(),
taid.getTaskId().getJobId().getAppId().getId(), taid.getTaskId().getJobId().getId(),
taskSymbol(taid.getTaskId().getTaskType()), taid.getTaskId().getId(), taid.getId());
return taid.toString();
}
public static TaskAttemptId toTaskAttemptID(String taid) {
Iterator<String> it = _split(taid).iterator();
TaskId tid = toTaskID(ATTEMPT, taid, it);
shouldHaveNext(ATTEMPT, taid, it);
TaskAttemptId taId = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(TaskAttemptId.class);
taId.setTaskId(tid);
taId.setId(Integer.parseInt(it.next()));
return taId;
return TypeConverter.toYarn(TaskAttemptID.forName(taid));
}
public static String taskSymbol(TaskType type) {

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@ -43,18 +43,18 @@ public class TestMRApps {
@Test public void testJobIDtoString() {
JobId jid = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(JobId.class);
jid.setAppId(RecordFactoryProvider.getRecordFactory(null).newRecordInstance(ApplicationId.class));
assertEquals("job_0_0_0", MRApps.toString(jid));
assertEquals("job_0_0000", MRApps.toString(jid));
}
@Test public void testToJobID() {
JobId jid = MRApps.toJobID("job_1_1_1");
JobId jid = MRApps.toJobID("job_1_1");
assertEquals(1, jid.getAppId().getClusterTimestamp());
assertEquals(1, jid.getAppId().getId());
assertEquals(1, jid.getId());
assertEquals(1, jid.getId()); // tests against some proto.id and not a job.id field
}
@Test(expected=YarnException.class) public void testJobIDShort() {
MRApps.toJobID("job_0_0");
@Test(expected=IllegalArgumentException.class) public void testJobIDShort() {
MRApps.toJobID("job_0_0_0");
}
//TODO_get.set
@ -68,29 +68,29 @@ public class TestMRApps {
type = TaskType.REDUCE;
System.err.println(type);
System.err.println(tid.getTaskType());
assertEquals("task_0_0_0_m_0", MRApps.toString(tid));
assertEquals("task_0_0000_m_000000", MRApps.toString(tid));
tid.setTaskType(TaskType.REDUCE);
assertEquals("task_0_0_0_r_0", MRApps.toString(tid));
assertEquals("task_0_0000_r_000000", MRApps.toString(tid));
}
@Test public void testToTaskID() {
TaskId tid = MRApps.toTaskID("task_1_2_3_r_4");
TaskId tid = MRApps.toTaskID("task_1_2_r_3");
assertEquals(1, tid.getJobId().getAppId().getClusterTimestamp());
assertEquals(2, tid.getJobId().getAppId().getId());
assertEquals(3, tid.getJobId().getId());
assertEquals(2, tid.getJobId().getId());
assertEquals(TaskType.REDUCE, tid.getTaskType());
assertEquals(4, tid.getId());
assertEquals(3, tid.getId());
tid = MRApps.toTaskID("task_1_2_3_m_4");
tid = MRApps.toTaskID("task_1_2_m_3");
assertEquals(TaskType.MAP, tid.getTaskType());
}
@Test(expected=YarnException.class) public void testTaskIDShort() {
MRApps.toTaskID("task_0_0_0_m");
@Test(expected=IllegalArgumentException.class) public void testTaskIDShort() {
MRApps.toTaskID("task_0_0000_m");
}
@Test(expected=YarnException.class) public void testTaskIDBadType() {
MRApps.toTaskID("task_0_0_0_x_0");
@Test(expected=IllegalArgumentException.class) public void testTaskIDBadType() {
MRApps.toTaskID("task_0_0000_x_000000");
}
//TODO_get.set
@ -100,19 +100,19 @@ public class TestMRApps {
taid.getTaskId().setTaskType(TaskType.MAP);
taid.getTaskId().setJobId(RecordFactoryProvider.getRecordFactory(null).newRecordInstance(JobId.class));
taid.getTaskId().getJobId().setAppId(RecordFactoryProvider.getRecordFactory(null).newRecordInstance(ApplicationId.class));
assertEquals("attempt_0_0_0_m_0_0", MRApps.toString(taid));
assertEquals("attempt_0_0000_m_000000_0", MRApps.toString(taid));
}
@Test public void testToTaskAttemptID() {
TaskAttemptId taid = MRApps.toTaskAttemptID("attempt_0_1_2_m_3_4");
TaskAttemptId taid = MRApps.toTaskAttemptID("attempt_0_1_m_2_3");
assertEquals(0, taid.getTaskId().getJobId().getAppId().getClusterTimestamp());
assertEquals(1, taid.getTaskId().getJobId().getAppId().getId());
assertEquals(2, taid.getTaskId().getJobId().getId());
assertEquals(3, taid.getTaskId().getId());
assertEquals(4, taid.getId());
assertEquals(1, taid.getTaskId().getJobId().getId());
assertEquals(2, taid.getTaskId().getId());
assertEquals(3, taid.getId());
}
@Test(expected=YarnException.class) public void testTaskAttemptIDShort() {
@Test(expected=IllegalArgumentException.class) public void testTaskAttemptIDShort() {
MRApps.toTaskAttemptID("attempt_0_0_0_m_0");
}

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@ -159,6 +159,7 @@ public class TaskAttemptID extends org.apache.hadoop.mapred.ID {
) throws IllegalArgumentException {
if(str == null)
return null;
String exceptionMsg = null;
try {
String[] parts = str.split(Character.toString(SEPARATOR));
if(parts.length == 6) {
@ -171,14 +172,19 @@ public class TaskAttemptID extends org.apache.hadoop.mapred.ID {
Integer.parseInt(parts[2]),
t, Integer.parseInt(parts[4]),
Integer.parseInt(parts[5]));
} else throw new Exception();
} else
exceptionMsg = "Bad TaskType identifier. TaskAttemptId string : "
+ str + " is not properly formed.";
}
}
} catch (Exception ex) {
//fall below
}
throw new IllegalArgumentException("TaskAttemptId string : " + str
+ " is not properly formed");
if (exceptionMsg == null) {
exceptionMsg = "TaskAttemptId string : " + str
+ " is not properly formed";
}
throw new IllegalArgumentException(exceptionMsg);
}
}

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@ -184,6 +184,7 @@ public class TaskID extends org.apache.hadoop.mapred.ID {
throws IllegalArgumentException {
if(str == null)
return null;
String exceptionMsg = null;
try {
String[] parts = str.split("_");
if(parts.length == 5) {
@ -196,13 +197,17 @@ public class TaskID extends org.apache.hadoop.mapred.ID {
Integer.parseInt(parts[2]),
t,
Integer.parseInt(parts[4]));
} else throw new Exception();
} else
exceptionMsg = "Bad TaskType identifier. TaskId string : " + str
+ " is not properly formed.";
}
}
}catch (Exception ex) {//fall below
}
throw new IllegalArgumentException("TaskId string : " + str
+ " is not properly formed");
if (exceptionMsg == null) {
exceptionMsg = "TaskId string : " + str + " is not properly formed";
}
throw new IllegalArgumentException(exceptionMsg);
}
/**
* Gets the character representing the {@link TaskType}

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@ -330,6 +330,9 @@ public class CompletedJob implements org.apache.hadoop.mapreduce.v2.app.job.Job
boolean checkAccess(UserGroupInformation callerUGI, JobACL jobOperation) {
Map<JobACL, AccessControlList> jobACLs = jobInfo.getJobACLs();
AccessControlList jobACL = jobACLs.get(jobOperation);
if (jobACL == null) {
return true;
}
return aclsMgr.checkAccess(callerUGI, jobOperation,
jobInfo.getUsername(), jobACL);
}

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@ -408,36 +408,40 @@ public class TestHsWebServicesAttempts extends JerseyTest {
public void testTaskAttemptIdBogus() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("bogusid",
"java.lang.Exception: Error parsing attempt ID: bogusid");
"java.lang.Exception: TaskAttemptId string : "
+ "bogusid is not properly formed");
}
@Test
public void testTaskAttemptIdNonExist() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric(
"attempt_12345_0_0_r_1_0",
"java.lang.Exception: Error getting info on task attempt id attempt_12345_0_0_r_1_0");
"attempt_0_1234_m_000000_0",
"java.lang.Exception: Error getting info on task attempt id attempt_0_1234_m_000000_0");
}
@Test
public void testTaskAttemptIdInvalid() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("attempt_12345_0_0_d_1_0",
"java.lang.Exception: Unknown task symbol: d");
testTaskAttemptIdErrorGeneric("attempt_0_1234_d_000000_0",
"java.lang.Exception: Bad TaskType identifier. TaskAttemptId string : "
+ "attempt_0_1234_d_000000_0 is not properly formed.");
}
@Test
public void testTaskAttemptIdInvalid2() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("attempt_12345_0_r_1_0",
"java.lang.Exception: For input string: \"r\"");
testTaskAttemptIdErrorGeneric("attempt_1234_m_000000_0",
"java.lang.Exception: TaskAttemptId string : "
+ "attempt_1234_m_000000_0 is not properly formed");
}
@Test
public void testTaskAttemptIdInvalid3() throws JSONException, Exception {
testTaskAttemptIdErrorGeneric("attempt_12345_0_0_r_1",
"java.lang.Exception: Error parsing attempt ID: attempt_12345_0_0_r_1");
testTaskAttemptIdErrorGeneric("attempt_0_1234_m_000000",
"java.lang.Exception: TaskAttemptId string : "
+ "attempt_0_1234_m_000000 is not properly formed");
}
private void testTaskAttemptIdErrorGeneric(String attid, String error)

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@ -367,7 +367,7 @@ public class TestHsWebServicesJobs extends JerseyTest {
try {
r.path("ws").path("v1").path("history").path("mapreduce").path("jobs")
.path("job_1234_1_2").get(JSONObject.class);
.path("job_0_1234").get(JSONObject.class);
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
@ -380,7 +380,7 @@ public class TestHsWebServicesJobs extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: job, job_1234_1_2, is not found", message);
"java.lang.Exception: job, job_0_1234, is not found", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -399,7 +399,7 @@ public class TestHsWebServicesJobs extends JerseyTest {
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
assertEquals(Status.NOT_FOUND, response.getClientResponseStatus());
assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
JSONObject msg = response.getEntity(JSONObject.class);
JSONObject exception = msg.getJSONObject("RemoteException");
@ -423,7 +423,7 @@ public class TestHsWebServicesJobs extends JerseyTest {
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
assertEquals(Status.NOT_FOUND, response.getClientResponseStatus());
assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
JSONObject msg = response.getEntity(JSONObject.class);
JSONObject exception = msg.getJSONObject("RemoteException");
@ -447,7 +447,7 @@ public class TestHsWebServicesJobs extends JerseyTest {
fail("should have thrown exception on invalid uri");
} catch (UniformInterfaceException ue) {
ClientResponse response = ue.getResponse();
assertEquals(Status.BAD_REQUEST, response.getClientResponseStatus());
assertEquals(Status.NOT_FOUND, response.getClientResponseStatus());
assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType());
String msg = response.getEntity(String.class);
System.out.println(msg);
@ -468,11 +468,12 @@ public class TestHsWebServicesJobs extends JerseyTest {
private void verifyJobIdInvalid(String message, String type, String classname) {
WebServicesTestUtils.checkStringMatch("exception message",
"For input string: \"foo\"", message);
"java.lang.Exception: JobId string : job_foo is not properly formed",
message);
WebServicesTestUtils.checkStringMatch("exception type",
"NumberFormatException", type);
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
"java.lang.NumberFormatException", classname);
"org.apache.hadoop.yarn.webapp.NotFoundException", classname);
}
@Test
@ -494,7 +495,8 @@ public class TestHsWebServicesJobs extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Error parsing job ID: bogusfoo", message);
"java.lang.Exception: JobId string : "
+ "bogusfoo is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",

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@ -72,30 +72,26 @@ public class TestHsWebServicesJobsQuery extends JerseyTest {
private static HsWebApp webApp;
static class TestAppContext implements AppContext {
final ApplicationAttemptId appAttemptID;
final ApplicationId appID;
final String user = MockJobs.newUserName();
final Map<JobId, Job> jobs;
final long startTime = System.currentTimeMillis();
TestAppContext(int appid, int numJobs, int numTasks, int numAttempts) {
appID = MockJobs.newAppID(appid);
appAttemptID = MockJobs.newAppAttemptID(appID, 0);
jobs = MockJobs.newJobs(appID, numJobs, numTasks, numAttempts);
TestAppContext(int numJobs, int numTasks, int numAttempts) {
jobs = MockJobs.newJobs(numJobs, numTasks, numAttempts);
}
TestAppContext() {
this(0, 3, 2, 1);
this(3, 2, 1);
}
@Override
public ApplicationAttemptId getApplicationAttemptId() {
return appAttemptID;
return null;
}
@Override
public ApplicationId getApplicationID() {
return appID;
return null;
}
@Override

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@ -435,7 +435,8 @@ public class TestHsWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Error parsing task ID: bogustaskid", message);
"java.lang.Exception: TaskId string : "
+ "bogustaskid is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -450,7 +451,7 @@ public class TestHsWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_0_m_0";
String tid = "task_0_0000_m_000000";
try {
r.path("ws").path("v1").path("history").path("mapreduce").path("jobs")
.path(jobId).path("tasks").path(tid).get(JSONObject.class);
@ -466,7 +467,7 @@ public class TestHsWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: task not found with id task_1234_0_0_m_0",
"java.lang.Exception: task not found with id task_0_0000_m_000000",
message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
@ -482,7 +483,7 @@ public class TestHsWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_0_d_0";
String tid = "task_0_0000_d_000000";
try {
r.path("ws").path("v1").path("history").path("mapreduce").path("jobs")
.path(jobId).path("tasks").path(tid).get(JSONObject.class);
@ -498,7 +499,8 @@ public class TestHsWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Unknown task symbol: d", message);
"java.lang.Exception: Bad TaskType identifier. TaskId string : "
+ "task_0_0000_d_000000 is not properly formed.", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -513,7 +515,7 @@ public class TestHsWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_m_0";
String tid = "task_0000_m_000000";
try {
r.path("ws").path("v1").path("history").path("mapreduce").path("jobs")
.path(jobId).path("tasks").path(tid).get(JSONObject.class);
@ -529,7 +531,8 @@ public class TestHsWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: For input string: \"m\"", message);
"java.lang.Exception: TaskId string : "
+ "task_0000_m_000000 is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",
@ -544,7 +547,7 @@ public class TestHsWebServicesTasks extends JerseyTest {
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
String tid = "task_1234_0_0_m";
String tid = "task_0_0000_m";
try {
r.path("ws").path("v1").path("history").path("mapreduce").path("jobs")
.path(jobId).path("tasks").path(tid).get(JSONObject.class);
@ -560,8 +563,8 @@ public class TestHsWebServicesTasks extends JerseyTest {
String type = exception.getString("exception");
String classname = exception.getString("javaClassName");
WebServicesTestUtils.checkStringMatch("exception message",
"java.lang.Exception: Error parsing task ID: task_1234_0_0_m",
message);
"java.lang.Exception: TaskId string : "
+ "task_0_0000_m is not properly formed", message);
WebServicesTestUtils.checkStringMatch("exception type",
"NotFoundException", type);
WebServicesTestUtils.checkStringMatch("exception classname",

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@ -221,6 +221,5 @@ if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
YARN_OPTS="$YARN_OPTS -Djava.library.path=$JAVA_LIBRARY_PATH"
fi
echo "$JAVA" -Dproc_$COMMAND $JAVA_HEAP_MAX $YARN_OPTS -classpath "$CLASSPATH" $CLASS "$@"
exec "$JAVA" -Dproc_$COMMAND $JAVA_HEAP_MAX $YARN_OPTS -classpath "$CLASSPATH" $CLASS "$@"
fi

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@ -51,6 +51,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEventType;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeReconnectEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeStatusEvent;
import org.apache.hadoop.yarn.server.resourcemanager.security.authorize.RMPolicyProvider;
import org.apache.hadoop.yarn.server.security.ContainerTokenSecretManager;
@ -177,17 +178,17 @@ public class ResourceTrackerService extends AbstractService implements
RMNode rmNode = new RMNodeImpl(nodeId, rmContext, host, cmPort, httpPort,
resolve(host), capability);
if (this.rmContext.getRMNodes().putIfAbsent(nodeId, rmNode) != null) {
LOG.info("Duplicate registration from the node at: " + host
+ ", Sending SHUTDOWN Signal to the NodeManager");
regResponse.setNodeAction(NodeAction.SHUTDOWN);
response.setRegistrationResponse(regResponse);
return response;
RMNode oldNode = this.rmContext.getRMNodes().putIfAbsent(nodeId, rmNode);
if (oldNode == null) {
this.rmContext.getDispatcher().getEventHandler().handle(
new RMNodeEvent(nodeId, RMNodeEventType.STARTED));
} else {
LOG.info("Reconnect from the node at: " + host);
this.nmLivelinessMonitor.unregister(nodeId);
this.rmContext.getDispatcher().getEventHandler().handle(
new RMNodeReconnectEvent(nodeId, rmNode));
}
this.rmContext.getDispatcher().getEventHandler().handle(
new RMNodeEvent(nodeId, RMNodeEventType.STARTED));
this.nmLivelinessMonitor.register(nodeId);
LOG.info("NodeManager from node " + host + "(cmPort: " + cmPort

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@ -28,6 +28,7 @@ public enum RMNodeEventType {
// ResourceTrackerService
STATUS_UPDATE,
REBOOTING,
RECONNECTED,
// Source: Application
CLEANUP_APP,

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@ -110,9 +110,11 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
RMNodeEventType,
RMNodeEvent>(RMNodeState.NEW)
//Transitions from RUNNING state
//Transitions from NEW state
.addTransition(RMNodeState.NEW, RMNodeState.RUNNING,
RMNodeEventType.STARTED, new AddNodeTransition())
//Transitions from RUNNING state
.addTransition(RMNodeState.RUNNING,
EnumSet.of(RMNodeState.RUNNING, RMNodeState.UNHEALTHY),
RMNodeEventType.STATUS_UPDATE, new StatusUpdateWhenHealthyTransition())
@ -129,11 +131,15 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
RMNodeEventType.CLEANUP_APP, new CleanUpAppTransition())
.addTransition(RMNodeState.RUNNING, RMNodeState.RUNNING,
RMNodeEventType.CLEANUP_CONTAINER, new CleanUpContainerTransition())
.addTransition(RMNodeState.RUNNING, RMNodeState.RUNNING,
RMNodeEventType.RECONNECTED, new ReconnectNodeTransition())
//Transitions from UNHEALTHY state
.addTransition(RMNodeState.UNHEALTHY,
EnumSet.of(RMNodeState.UNHEALTHY, RMNodeState.RUNNING),
RMNodeEventType.STATUS_UPDATE, new StatusUpdateWhenUnHealthyTransition())
.addTransition(RMNodeState.UNHEALTHY, RMNodeState.UNHEALTHY,
RMNodeEventType.RECONNECTED, new ReconnectNodeTransition())
// create the topology tables
.installTopology();
@ -372,6 +378,39 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
}
}
public static class ReconnectNodeTransition implements
SingleArcTransition<RMNodeImpl, RMNodeEvent> {
@Override
public void transition(RMNodeImpl rmNode, RMNodeEvent event) {
// Kill containers since node is rejoining.
rmNode.context.getDispatcher().getEventHandler().handle(
new NodeRemovedSchedulerEvent(rmNode));
RMNode newNode = ((RMNodeReconnectEvent)event).getReconnectedNode();
if (rmNode.getTotalCapability().equals(newNode.getTotalCapability())
&& rmNode.getHttpPort() == newNode.getHttpPort()) {
// Reset heartbeat ID since node just restarted.
rmNode.getLastHeartBeatResponse().setResponseId(0);
rmNode.context.getDispatcher().getEventHandler().handle(
new NodeAddedSchedulerEvent(rmNode));
} else {
// Reconnected node differs, so replace old node and start new node
switch (rmNode.getState()) {
case RUNNING:
ClusterMetrics.getMetrics().decrNumActiveNodes();
break;
case UNHEALTHY:
ClusterMetrics.getMetrics().decrNumUnhealthyNMs();
break;
}
rmNode.context.getRMNodes().put(newNode.getNodeID(), newNode);
rmNode.context.getDispatcher().getEventHandler().handle(
new RMNodeEvent(newNode.getNodeID(), RMNodeEventType.STARTED));
}
}
}
public static class CleanUpAppTransition
implements SingleArcTransition<RMNodeImpl, RMNodeEvent> {

View File

@ -0,0 +1,34 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.resourcemanager.rmnode;
import org.apache.hadoop.yarn.api.records.NodeId;
public class RMNodeReconnectEvent extends RMNodeEvent {
private RMNode reconnectedNode;
public RMNodeReconnectEvent(NodeId nodeId, RMNode newNode) {
super(nodeId, RMNodeEventType.RECONNECTED);
reconnectedNode = newNode;
}
public RMNode getReconnectedNode() {
return reconnectedNode;
}
}

View File

@ -666,7 +666,10 @@ implements ResourceScheduler, CapacitySchedulerContext {
private synchronized void removeNode(RMNode nodeInfo) {
SchedulerNode node = this.nodes.get(nodeInfo.getNodeID());
Resources.subtractFrom(clusterResource, nodeInfo.getTotalCapability());
if (node == null) {
return;
}
Resources.subtractFrom(clusterResource, node.getRMNode().getTotalCapability());
root.updateClusterResource(clusterResource);
--numNodeManagers;

View File

@ -731,6 +731,9 @@ public class FifoScheduler implements ResourceScheduler {
private synchronized void removeNode(RMNode nodeInfo) {
SchedulerNode node = getNode(nodeInfo.getNodeID());
if (node == null) {
return;
}
// Kill running containers
for(RMContainer container : node.getRunningContainers()) {
containerCompleted(container,
@ -744,7 +747,7 @@ public class FifoScheduler implements ResourceScheduler {
this.nodes.remove(nodeInfo.getNodeID());
// Update cluster metrics
Resources.subtractFrom(clusterResource, nodeInfo.getTotalCapability());
Resources.subtractFrom(clusterResource, node.getRMNode().getTotalCapability());
}
@Override

View File

@ -19,23 +19,18 @@
package org.apache.hadoop.yarn.server.resourcemanager;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.net.Node;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.NodeHealthStatus;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.server.api.records.HeartbeatResponse;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeState;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeResponse;
import com.google.common.collect.Lists;
@ -195,8 +190,12 @@ public class MockNodes {
};
private static RMNode buildRMNode(int rack, final Resource perNode, RMNodeState state, String httpAddr) {
return buildRMNode(rack, perNode, state, httpAddr, NODE_ID++);
}
private static RMNode buildRMNode(int rack, final Resource perNode, RMNodeState state, String httpAddr, int hostnum) {
final String rackName = "rack"+ rack;
final int nid = NODE_ID++;
final int nid = hostnum;
final String hostName = "host"+ nid;
final int port = 123;
final NodeId nodeID = newNodeID(hostName, port);
@ -219,4 +218,8 @@ public class MockNodes {
public static RMNode newNodeInfo(int rack, final Resource perNode) {
return buildRMNode(rack, perNode, RMNodeState.RUNNING, "localhost:0");
}
public static RMNode newNodeInfo(int rack, final Resource perNode, int hostnum) {
return buildRMNode(rack, perNode, null, "localhost:0", hostnum);
}
}

View File

@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.resourcemanager;
import java.util.ArrayList;
import java.util.List;
import junit.framework.Assert;
@ -27,10 +28,17 @@ import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.AMResponse;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerState;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNodeReport;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeAddedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeRemovedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
@ -167,10 +175,37 @@ public class TestFifoScheduler {
testMinimumAllocation(conf);
}
@Test
public void testReconnectedNode() throws Exception {
CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
conf.setQueues("default", new String[] {"default"});
conf.setCapacity("default", 100);
FifoScheduler fs = new FifoScheduler();
fs.reinitialize(conf, null, null);
RMNode n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1);
RMNode n2 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2);
fs.handle(new NodeAddedSchedulerEvent(n1));
fs.handle(new NodeAddedSchedulerEvent(n2));
List<ContainerStatus> emptyList = new ArrayList<ContainerStatus>();
fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));
Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());
// reconnect n1 with downgraded memory
n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1);
fs.handle(new NodeRemovedSchedulerEvent(n1));
fs.handle(new NodeAddedSchedulerEvent(n1));
fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));
Assert.assertEquals(4 * GB, fs.getRootQueueMetrics().getAvailableMB());
}
public static void main(String[] args) throws Exception {
TestFifoScheduler t = new TestFifoScheduler();
t.test();
t.testDefaultMinimumAllocation();
t.testNonDefaultMinimumAllocation();
t.testReconnectedNode();
}
}

View File

@ -31,12 +31,17 @@ import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.DrainDispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerResponse;
import org.apache.hadoop.yarn.server.api.records.HeartbeatResponse;
import org.apache.hadoop.yarn.server.api.records.NodeAction;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.util.Records;
import org.junit.After;
import org.junit.Test;
@ -189,7 +194,7 @@ public class TestResourceTrackerService {
conf.set("yarn.resourcemanager.nodes.exclude-path", hostFile
.getAbsolutePath());
MockRM rm = new MockRM(conf);
rm = new MockRM(conf);
rm.start();
MockNM nm1 = rm.registerNode("host1:1234", 5120);
@ -223,6 +228,61 @@ public class TestResourceTrackerService {
ClusterMetrics.getMetrics().getUnhealthyNMs());
}
@Test
public void testReconnectNode() throws Exception {
final DrainDispatcher dispatcher = new DrainDispatcher();
MockRM rm = new MockRM() {
@Override
protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
return new SchedulerEventDispatcher(this.scheduler) {
@Override
public void handle(SchedulerEvent event) {
scheduler.handle(event);
}
};
}
@Override
protected Dispatcher createDispatcher() {
return dispatcher;
}
};
rm.start();
MockNM nm1 = rm.registerNode("host1:1234", 5120);
MockNM nm2 = rm.registerNode("host2:5678", 5120);
nm1.nodeHeartbeat(true);
nm2.nodeHeartbeat(false);
checkUnealthyNMCount(rm, nm2, true, 1);
final int expectedNMs = ClusterMetrics.getMetrics().getNumActiveNMs();
QueueMetrics metrics = rm.getResourceScheduler().getRootQueueMetrics();
Assert.assertEquals(5120 + 5120, metrics.getAvailableMB());
// reconnect of healthy node
nm1 = rm.registerNode("host1:1234", 5120);
HeartbeatResponse response = nm1.nodeHeartbeat(true);
Assert.assertTrue(NodeAction.NORMAL.equals(response.getNodeAction()));
dispatcher.await();
Assert.assertEquals(expectedNMs, ClusterMetrics.getMetrics().getNumActiveNMs());
checkUnealthyNMCount(rm, nm2, true, 1);
// reconnect of unhealthy node
nm2 = rm.registerNode("host2:5678", 5120);
response = nm2.nodeHeartbeat(false);
Assert.assertTrue(NodeAction.NORMAL.equals(response.getNodeAction()));
dispatcher.await();
Assert.assertEquals(expectedNMs, ClusterMetrics.getMetrics().getNumActiveNMs());
checkUnealthyNMCount(rm, nm2, true, 1);
// reconnect of node with changed capability
nm1 = rm.registerNode("host2:5678", 10240);
dispatcher.await();
response = nm2.nodeHeartbeat(true);
dispatcher.await();
Assert.assertTrue(NodeAction.NORMAL.equals(response.getNodeAction()));
Assert.assertEquals(5120 + 10240, metrics.getAvailableMB());
}
private void writeToHostsFile(String... hosts) throws IOException {
if (!hostFile.exists()) {
TEMP_DIR.mkdirs();

View File

@ -34,6 +34,7 @@ import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.server.resourcemanager.Application;
import org.apache.hadoop.yarn.server.resourcemanager.MockNodes;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.Task;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.Store;
@ -41,12 +42,15 @@ import org.apache.hadoop.yarn.server.resourcemanager.recovery.StoreFactory;
import org.apache.hadoop.yarn.server.resourcemanager.resource.Resources;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeAddedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeRemovedSchedulerEvent;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestCapacityScheduler {
private static final Log LOG = LogFactory.getLog(TestCapacityScheduler.class);
private final int GB = 1024;
private static final String A = CapacitySchedulerConfiguration.ROOT + ".a";
private static final String B = CapacitySchedulerConfiguration.ROOT + ".b";
@ -97,8 +101,6 @@ public class TestCapacityScheduler {
LOG.info("--- START: testCapacityScheduler ---");
final int GB = 1024;
// Register node1
String host_0 = "host_0";
org.apache.hadoop.yarn.server.resourcemanager.NodeManager nm_0 =
@ -340,4 +342,27 @@ public class TestCapacityScheduler {
cs.reinitialize(conf, null, null);
}
@Test
public void testReconnectedNode() throws Exception {
CapacitySchedulerConfiguration csConf =
new CapacitySchedulerConfiguration();
setupQueueConfiguration(csConf);
CapacityScheduler cs = new CapacityScheduler();
cs.reinitialize(csConf, null, null);
RMNode n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1);
RMNode n2 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2);
cs.handle(new NodeAddedSchedulerEvent(n1));
cs.handle(new NodeAddedSchedulerEvent(n2));
Assert.assertEquals(6 * GB, cs.getClusterResources().getMemory());
// reconnect n1 with downgraded memory
n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1);
cs.handle(new NodeRemovedSchedulerEvent(n1));
cs.handle(new NodeAddedSchedulerEvent(n1));
Assert.assertEquals(4 * GB, cs.getClusterResources().getMemory());
}
}