Merge r1555021 through r1557038 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1557039 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2014-01-10 06:07:24 +00:00
commit 1c7aa44d62
19 changed files with 298 additions and 51 deletions

View File

@ -412,6 +412,12 @@ Release 2.4.0 - UNRELEASED
HADOOP-10198. DomainSocket: add support for socketpair.
(Colin Patrick McCabe via wang)
HADOOP-10208. Remove duplicate initialization in StringUtils.getStringCollection.
(Benoy Antony via jing9)
HADOOP-9420. Add percentile or max metric for rpcQueueTime, processing time.
(Liang Xie via wang)
OPTIMIZATIONS
HADOOP-9748. Reduce blocking on UGI.ensureInitialized (daryn)
@ -500,6 +506,11 @@ Release 2.4.0 - UNRELEASED
HADOOP-10147 HDFS-5678 Upgrade to commons-logging 1.1.3 to avoid potential
deadlock in MiniDFSCluster (stevel)
HADOOP-10207. TestUserGroupInformation#testLogin is flaky (jxiang via cmccabe)
HADOOP-10214. Fix multithreaded correctness warnings in ActiveStandbyElector
(Liang Xie via kasha)
Release 2.3.0 - UNRELEASED
INCOMPATIBLE CHANGES

View File

@ -242,4 +242,9 @@ public class CommonConfigurationKeys extends CommonConfigurationKeysPublic {
public static final String HADOOP_USER_GROUP_METRICS_PERCENTILES_INTERVALS =
"hadoop.user.group.metrics.percentiles.intervals";
public static final String RPC_METRICS_QUANTILE_ENABLE =
"rpc.metrics.quantile.enable";
public static final String RPC_METRICS_PERCENTILES_INTERVALS_KEY =
"rpc.metrics.percentiles.intervals";
}

View File

@ -768,7 +768,7 @@ public class ActiveStandbyElector implements StatCallback, StringCallback {
}
@InterfaceAudience.Private
public void terminateConnection() {
public synchronized void terminateConnection() {
if (zkClient == null) {
return;
}

View File

@ -2193,7 +2193,7 @@ public abstract class Server {
listener = new Listener();
this.port = listener.getAddress().getPort();
connectionManager = new ConnectionManager();
this.rpcMetrics = RpcMetrics.create(this);
this.rpcMetrics = RpcMetrics.create(this, conf);
this.rpcDetailedMetrics = RpcDetailedMetrics.create(this.port);
this.tcpNoDelay = conf.getBoolean(
CommonConfigurationKeysPublic.IPC_SERVER_TCPNODELAY_KEY,

View File

@ -19,14 +19,17 @@ package org.apache.hadoop.ipc.metrics;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.ipc.Server;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.metrics2.annotation.Metric;
import org.apache.hadoop.metrics2.annotation.Metrics;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.metrics2.lib.MetricsRegistry;
import org.apache.hadoop.metrics2.lib.MutableCounterInt;
import org.apache.hadoop.metrics2.lib.MutableCounterLong;
import org.apache.hadoop.metrics2.lib.MutableQuantiles;
import org.apache.hadoop.metrics2.lib.MutableRate;
/**
@ -41,26 +44,48 @@ public class RpcMetrics {
final Server server;
final MetricsRegistry registry;
final String name;
final boolean rpcQuantileEnable;
RpcMetrics(Server server) {
RpcMetrics(Server server, Configuration conf) {
String port = String.valueOf(server.getListenerAddress().getPort());
name = "RpcActivityForPort"+ port;
name = "RpcActivityForPort" + port;
this.server = server;
registry = new MetricsRegistry("rpc").tag("port", "RPC port", port);
LOG.debug("Initialized "+ registry);
int[] intervals = conf.getInts(
CommonConfigurationKeys.RPC_METRICS_PERCENTILES_INTERVALS_KEY);
rpcQuantileEnable = (intervals.length > 0) && conf.getBoolean(
CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE, false);
if (rpcQuantileEnable) {
rpcQueueTimeMillisQuantiles =
new MutableQuantiles[intervals.length];
rpcProcessingTimeMillisQuantiles =
new MutableQuantiles[intervals.length];
for (int i = 0; i < intervals.length; i++) {
int interval = intervals[i];
rpcQueueTimeMillisQuantiles[i] = registry.newQuantiles("rpcQueueTime"
+ interval + "s", "rpc queue time in milli second", "ops",
"latency", interval);
rpcProcessingTimeMillisQuantiles[i] = registry.newQuantiles(
"rpcProcessingTime" + interval + "s",
"rpc processing time in milli second", "ops", "latency", interval);
}
}
LOG.debug("Initialized " + registry);
}
public String name() { return name; }
public static RpcMetrics create(Server server) {
RpcMetrics m = new RpcMetrics(server);
public static RpcMetrics create(Server server, Configuration conf) {
RpcMetrics m = new RpcMetrics(server, conf);
return DefaultMetricsSystem.instance().register(m.name, null, m);
}
@Metric("Number of received bytes") MutableCounterLong receivedBytes;
@Metric("Number of sent bytes") MutableCounterLong sentBytes;
@Metric("Queue time") MutableRate rpcQueueTime;
MutableQuantiles[] rpcQueueTimeMillisQuantiles;
@Metric("Processsing time") MutableRate rpcProcessingTime;
MutableQuantiles[] rpcProcessingTimeMillisQuantiles;
@Metric("Number of authentication failures")
MutableCounterInt rpcAuthenticationFailures;
@Metric("Number of authentication successes")
@ -146,6 +171,11 @@ public class RpcMetrics {
//@Override
public void addRpcQueueTime(int qTime) {
rpcQueueTime.add(qTime);
if (rpcQuantileEnable) {
for (MutableQuantiles q : rpcQueueTimeMillisQuantiles) {
q.add(qTime);
}
}
}
/**
@ -155,5 +185,10 @@ public class RpcMetrics {
//@Override
public void addRpcProcessingTime(int processingTime) {
rpcProcessingTime.add(processingTime);
if (rpcQuantileEnable) {
for (MutableQuantiles q : rpcProcessingTimeMillisQuantiles) {
q.add(processingTime);
}
}
}
}

View File

@ -343,7 +343,6 @@ public class StringUtils {
if (str == null)
return values;
StringTokenizer tokenizer = new StringTokenizer(str, delim);
values = new ArrayList<String>();
while (tokenizer.hasMoreTokens()) {
values.add(tokenizer.nextToken());
}

View File

@ -20,6 +20,7 @@ package org.apache.hadoop.ipc;
import static org.apache.hadoop.test.MetricsAsserts.assertCounter;
import static org.apache.hadoop.test.MetricsAsserts.assertCounterGt;
import static org.apache.hadoop.test.MetricsAsserts.getLongCounter;
import static org.apache.hadoop.test.MetricsAsserts.getMetrics;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
@ -67,6 +68,7 @@ import org.apache.hadoop.security.authorize.PolicyProvider;
import org.apache.hadoop.security.authorize.Service;
import org.apache.hadoop.security.token.SecretManager;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.test.MetricsAsserts;
import org.apache.hadoop.test.MockitoUtil;
import org.junit.Before;
import org.junit.Test;
@ -961,6 +963,44 @@ public class TestRPC {
}
}
@Test
public void testRpcMetrics() throws Exception {
Configuration configuration = new Configuration();
final int interval = 1;
configuration.setBoolean(CommonConfigurationKeys.
RPC_METRICS_QUANTILE_ENABLE, true);
configuration.set(CommonConfigurationKeys.
RPC_METRICS_PERCENTILES_INTERVALS_KEY, "" + interval);
final Server server = new RPC.Builder(configuration)
.setProtocol(TestProtocol.class).setInstance(new TestImpl())
.setBindAddress(ADDRESS).setPort(0).setNumHandlers(5).setVerbose(true)
.build();
server.start();
final TestProtocol proxy = RPC.getProxy(TestProtocol.class,
TestProtocol.versionID, server.getListenerAddress(), configuration);
try {
for (int i=0; i<1000; i++) {
proxy.ping();
proxy.echo("" + i);
}
MetricsRecordBuilder rpcMetrics =
getMetrics(server.getRpcMetrics().name());
assertTrue("Expected non-zero rpc queue time",
getLongCounter("RpcQueueTimeNumOps", rpcMetrics) > 0);
assertTrue("Expected non-zero rpc processing time",
getLongCounter("RpcProcessingTimeNumOps", rpcMetrics) > 0);
MetricsAsserts.assertQuantileGauges("RpcQueueTime" + interval + "s",
rpcMetrics);
MetricsAsserts.assertQuantileGauges("RpcProcessingTime" + interval + "s",
rpcMetrics);
} finally {
if (proxy != null) {
RPC.stopProxy(proxy);
}
server.stop();
}
}
public static void main(String[] args) throws IOException {
new TestRPC().testCallsInternal(conf);

View File

@ -738,7 +738,7 @@ public class TestUserGroupInformation {
long groups) throws InterruptedException {
MetricsRecordBuilder rb = getMetrics("UgiMetrics");
if (groups > 0) {
assertCounter("GetGroupsNumOps", groups, rb);
assertCounterGt("GetGroupsNumOps", groups-1, rb);
double avg = getDoubleGauge("GetGroupsAvgTime", rb);
assertTrue(avg >= 0.0);

View File

@ -245,6 +245,9 @@ Trunk (Unreleased)
HDFS-5715. Use Snapshot ID to indicate the corresponding Snapshot for a
FileDiff/DirectoryDiff. (jing9)
HDFS-5721. sharedEditsImage in Namenode#initializeSharedEdits() should be
closed before method returns. (Ted Yu via junping_du)
OPTIMIZATIONS
HDFS-5349. DNA_CACHE and DNA_UNCACHE should be by blockId only. (cmccabe)
@ -736,6 +739,8 @@ Release 2.4.0 - UNRELEASED
HDFS-5690. DataNode fails to start in secure mode when dfs.http.policy equals to
HTTP_ONLY. (Haohui Mai via jing9)
HDFS-5449. WebHdfs compatibility broken between 2.2 and 1.x / 23.x (kihwal)
BREAKDOWN OF HDFS-2832 SUBTASKS AND RELATED JIRAS
HDFS-4985. Add storage type to the protocol and expose it in block report

View File

@ -622,8 +622,14 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
long loadStart = now();
String nameserviceId = DFSUtil.getNamenodeNameServiceId(conf);
namesystem.loadFSImage(startOpt, fsImage,
HAUtil.isHAEnabled(conf, nameserviceId));
try {
namesystem.loadFSImage(startOpt, fsImage,
HAUtil.isHAEnabled(conf, nameserviceId));
} catch (IOException ioe) {
LOG.warn("Encountered exception loading fsimage", ioe);
fsImage.close();
throw ioe;
}
long timeTakenToLoadFSImage = now() - loadStart;
LOG.info("Finished loading FSImage in " + timeTakenToLoadFSImage + " msecs");
NameNodeMetrics nnMetrics = NameNode.getNameNodeMetrics();

View File

@ -816,14 +816,20 @@ public class NameNode implements NameNodeStatusMXBean {
System.out.println("Formatting using clusterid: " + clusterId);
FSImage fsImage = new FSImage(conf, nameDirsToFormat, editDirsToFormat);
FSNamesystem fsn = new FSNamesystem(conf, fsImage);
fsImage.getEditLog().initJournalsForWrite();
if (!fsImage.confirmFormat(force, isInteractive)) {
return true; // aborted
try {
FSNamesystem fsn = new FSNamesystem(conf, fsImage);
fsImage.getEditLog().initJournalsForWrite();
if (!fsImage.confirmFormat(force, isInteractive)) {
return true; // aborted
}
fsImage.format(fsn, clusterId);
} catch (IOException ioe) {
LOG.warn("Encountered exception during format: ", ioe);
fsImage.close();
throw ioe;
}
fsImage.format(fsn, clusterId);
return false;
}
@ -897,6 +903,7 @@ public class NameNode implements NameNodeStatusMXBean {
}
NNStorage existingStorage = null;
FSImage sharedEditsImage = null;
try {
FSNamesystem fsns =
FSNamesystem.loadFromDisk(getConfigurationWithoutSharedEdits(conf));
@ -906,7 +913,7 @@ public class NameNode implements NameNodeStatusMXBean {
List<URI> sharedEditsDirs = FSNamesystem.getSharedEditsDirs(conf);
FSImage sharedEditsImage = new FSImage(conf,
sharedEditsImage = new FSImage(conf,
Lists.<URI>newArrayList(),
sharedEditsDirs);
sharedEditsImage.getEditLog().initJournalsForWrite();
@ -934,6 +941,13 @@ public class NameNode implements NameNodeStatusMXBean {
LOG.error("Could not initialize shared edits dir", ioe);
return true; // aborted
} finally {
if (sharedEditsImage != null) {
try {
sharedEditsImage.close();
} catch (IOException ioe) {
LOG.warn("Could not close sharedEditsImage", ioe);
}
}
// Have to unlock storage explicitly for the case when we're running in a
// unit test, which runs in the same JVM as NNs.
if (existingStorage != null) {

View File

@ -190,24 +190,29 @@ public class BootstrapStandby implements Tool, Configurable {
// Load the newly formatted image, using all of the directories (including shared
// edits)
FSImage image = new FSImage(conf);
image.getStorage().setStorageInfo(storage);
image.initEditLog();
assert image.getEditLog().isOpenForRead() :
try {
image.getStorage().setStorageInfo(storage);
image.initEditLog();
assert image.getEditLog().isOpenForRead() :
"Expected edit log to be open for read";
// Ensure that we have enough edits already in the shared directory to
// start up from the last checkpoint on the active.
if (!checkLogsAvailableForRead(image, imageTxId, curTxId)) {
return ERR_CODE_LOGS_UNAVAILABLE;
}
image.getStorage().writeTransactionIdFileToStorage(curTxId);
// Download that checkpoint into our storage directories.
MD5Hash hash = TransferFsImage.downloadImageToStorage(
// Ensure that we have enough edits already in the shared directory to
// start up from the last checkpoint on the active.
if (!checkLogsAvailableForRead(image, imageTxId, curTxId)) {
return ERR_CODE_LOGS_UNAVAILABLE;
}
image.getStorage().writeTransactionIdFileToStorage(curTxId);
// Download that checkpoint into our storage directories.
MD5Hash hash = TransferFsImage.downloadImageToStorage(
otherHttpAddr, imageTxId,
storage, true);
image.saveDigestAndRenameCheckpointImage(imageTxId, hash);
image.saveDigestAndRenameCheckpointImage(imageTxId, hash);
} catch (IOException ioe) {
image.close();
throw ioe;
}
return 0;
}

View File

@ -271,7 +271,7 @@ public class JsonUtil {
}
/** Convert a DatanodeInfo to a Json map. */
private static Map<String, Object> toJsonMap(final DatanodeInfo datanodeinfo) {
static Map<String, Object> toJsonMap(final DatanodeInfo datanodeinfo) {
if (datanodeinfo == null) {
return null;
}
@ -279,6 +279,9 @@ public class JsonUtil {
// TODO: Fix storageID
final Map<String, Object> m = new TreeMap<String, Object>();
m.put("ipAddr", datanodeinfo.getIpAddr());
// 'name' is equivalent to ipAddr:xferPort. Older clients (1.x, 0.23.x)
// expects this instead of the two fields.
m.put("name", datanodeinfo.getXferAddr());
m.put("hostName", datanodeinfo.getHostName());
m.put("storageID", datanodeinfo.getDatanodeUuid());
m.put("xferPort", datanodeinfo.getXferPort());
@ -325,17 +328,49 @@ public class JsonUtil {
}
/** Convert a Json map to an DatanodeInfo object. */
static DatanodeInfo toDatanodeInfo(final Map<?, ?> m) {
static DatanodeInfo toDatanodeInfo(final Map<?, ?> m)
throws IOException {
if (m == null) {
return null;
}
// ipAddr and xferPort are the critical fields for accessing data.
// If any one of the two is missing, an exception needs to be thrown.
// Handle the case of old servers (1.x, 0.23.x) sending 'name' instead
// of ipAddr and xferPort.
String ipAddr = getString(m, "ipAddr", null);
int xferPort = getInt(m, "xferPort", -1);
if (ipAddr == null) {
String name = getString(m, "name", null);
if (name != null) {
int colonIdx = name.indexOf(':');
if (colonIdx > 0) {
ipAddr = name.substring(0, colonIdx);
xferPort = Integer.parseInt(name.substring(colonIdx +1));
} else {
throw new IOException(
"Invalid value in server response: name=[" + name + "]");
}
} else {
throw new IOException(
"Missing both 'ipAddr' and 'name' in server response.");
}
// ipAddr is non-null & non-empty string at this point.
}
// Check the validity of xferPort.
if (xferPort == -1) {
throw new IOException(
"Invalid or missing 'xferPort' in server response.");
}
// TODO: Fix storageID
return new DatanodeInfo(
(String)m.get("ipAddr"),
ipAddr,
(String)m.get("hostName"),
(String)m.get("storageID"),
(int)(long)(Long)m.get("xferPort"),
xferPort,
(int)(long)(Long)m.get("infoPort"),
getInt(m, "infoSecurePort", 0),
(int)(long)(Long)m.get("ipcPort"),
@ -368,7 +403,8 @@ public class JsonUtil {
}
/** Convert an Object[] to a DatanodeInfo[]. */
private static DatanodeInfo[] toDatanodeInfoArray(final Object[] objects) {
private static DatanodeInfo[] toDatanodeInfoArray(final Object[] objects)
throws IOException {
if (objects == null) {
return null;
} else if (objects.length == 0) {

View File

@ -24,6 +24,7 @@ import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
import org.apache.hadoop.hdfs.server.namenode.INodeId;
import org.apache.hadoop.util.Time;
@ -61,7 +62,7 @@ public class TestJsonUtil {
}
@Test
public void testToDatanodeInfoWithoutSecurePort() {
public void testToDatanodeInfoWithoutSecurePort() throws Exception {
Map<String, Object> response = new HashMap<String, Object>();
response.put("ipAddr", "127.0.0.1");
@ -84,4 +85,63 @@ public class TestJsonUtil {
JsonUtil.toDatanodeInfo(response);
}
@Test
public void testToDatanodeInfoWithName() throws Exception {
Map<String, Object> response = new HashMap<String, Object>();
// Older servers (1.x, 0.23, etc.) sends 'name' instead of ipAddr
// and xferPort.
String name = "127.0.0.1:1004";
response.put("name", name);
response.put("hostName", "localhost");
response.put("storageID", "fake-id");
response.put("infoPort", 1338l);
response.put("ipcPort", 1339l);
response.put("capacity", 1024l);
response.put("dfsUsed", 512l);
response.put("remaining", 512l);
response.put("blockPoolUsed", 512l);
response.put("lastUpdate", 0l);
response.put("xceiverCount", 4096l);
response.put("networkLocation", "foo.bar.baz");
response.put("adminState", "NORMAL");
response.put("cacheCapacity", 123l);
response.put("cacheUsed", 321l);
DatanodeInfo di = JsonUtil.toDatanodeInfo(response);
Assert.assertEquals(name, di.getXferAddr());
// The encoded result should contain name, ipAddr and xferPort.
Map<String, Object> r = JsonUtil.toJsonMap(di);
Assert.assertEquals(name, (String)r.get("name"));
Assert.assertEquals("127.0.0.1", (String)r.get("ipAddr"));
// In this test, it is Integer instead of Long since json was not actually
// involved in constructing the map.
Assert.assertEquals(1004, (int)(Integer)r.get("xferPort"));
// Invalid names
String[] badNames = {"127.0.0.1", "127.0.0.1:", ":", "127.0.0.1:sweet", ":123"};
for (String badName : badNames) {
response.put("name", badName);
checkDecodeFailure(response);
}
// Missing both name and ipAddr
response.remove("name");
checkDecodeFailure(response);
// Only missing xferPort
response.put("ipAddr", "127.0.0.1");
checkDecodeFailure(response);
}
private void checkDecodeFailure(Map<String, Object> map) {
try {
JsonUtil.toDatanodeInfo(map);
Assert.fail("Exception not thrown against bad input.");
} catch (Exception e) {
// expected
}
}
}

View File

@ -182,9 +182,10 @@ public class TestMRApps {
MRApps.setClasspath(environment, job.getConfiguration());
assertTrue(environment.get("CLASSPATH").startsWith(
ApplicationConstants.Environment.PWD.$() + File.pathSeparator));
String yarnAppClasspath =
job.getConfiguration().get(
YarnConfiguration.YARN_APPLICATION_CLASSPATH);
String yarnAppClasspath = job.getConfiguration().get(
YarnConfiguration.YARN_APPLICATION_CLASSPATH,
StringUtils.join(",",
YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH));
if (yarnAppClasspath != null) {
yarnAppClasspath = yarnAppClasspath.replaceAll(",\\s*", File.pathSeparator)
.trim();
@ -217,7 +218,10 @@ public class TestMRApps {
MRApps.setClasspath(environment, conf);
assertTrue(environment.get("CLASSPATH").startsWith(
ApplicationConstants.Environment.PWD.$() + File.pathSeparator));
String confClasspath = job.getConfiguration().get(YarnConfiguration.YARN_APPLICATION_CLASSPATH);
String confClasspath = job.getConfiguration().get(
YarnConfiguration.YARN_APPLICATION_CLASSPATH,
StringUtils.join(",",
YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH));
if (confClasspath != null) {
confClasspath = confClasspath.replaceAll(",\\s*", File.pathSeparator)
.trim();

View File

@ -31,6 +31,7 @@ import org.apache.hadoop.mapred.RunningJob;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.After;
import org.junit.AfterClass;
@ -86,8 +87,10 @@ public class TestEncryptedShuffle {
conf.set("dfs.block.access.token.enable", "false");
conf.set("dfs.permissions", "true");
conf.set("hadoop.security.authentication", "simple");
String cp = conf.get(YarnConfiguration.YARN_APPLICATION_CLASSPATH) +
File.pathSeparator + classpathDir;
String cp = conf.get(YarnConfiguration.YARN_APPLICATION_CLASSPATH,
StringUtils.join(",",
YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH))
+ File.pathSeparator + classpathDir;
conf.set(YarnConfiguration.YARN_APPLICATION_CLASSPATH, cp);
dfsCluster = new MiniDFSCluster(conf, 1, true, null);
FileSystem fileSystem = dfsCluster.getFileSystem();

View File

@ -205,6 +205,8 @@ Release 2.4.0 - UNRELEASED
YARN-1568. Rename clusterid to clusterId in ActiveRMInfoProto (kasha)
YARN-1579. ActiveRMInfoProto fields should be optional (kasha)
OPTIMIZATIONS
BUG FIXES
@ -395,6 +397,9 @@ Release 2.3.0 - UNRELEASED
YARN-1438. Ensure container diagnostics includes exception from container
launch. (stevel via acmurthy)
YARN-1138. yarn.application.classpath is set to point to $HADOOP_CONF_DIR
etc., which does not work on Windows. (Chuan Liu via cnauroth)
Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES

View File

@ -138,6 +138,6 @@ message RMStateVersionProto {
///////////// RM Failover related records ////////////////////////
//////////////////////////////////////////////////////////////////
message ActiveRMInfoProto {
required string clusterId = 1;
required string rmId = 2;
optional string clusterId = 1;
optional string rmId = 2;
}

View File

@ -1016,10 +1016,29 @@
<!-- Applications' Configuration-->
<property>
<description>CLASSPATH for YARN applications. A comma-separated list
of CLASSPATH entries</description>
<name>yarn.application.classpath</name>
<value>$HADOOP_CONF_DIR,$HADOOP_COMMON_HOME/share/hadoop/common/*,$HADOOP_COMMON_HOME/share/hadoop/common/lib/*,$HADOOP_HDFS_HOME/share/hadoop/hdfs/*,$HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*,$HADOOP_YARN_HOME/share/hadoop/yarn/*,$HADOOP_YARN_HOME/share/hadoop/yarn/lib/*</value>
<description>
CLASSPATH for YARN applications. A comma-separated list
of CLASSPATH entries. When this value is empty, the following default
CLASSPATH for YARN applications would be used.
For Linux:
$HADOOP_CONF_DIR,
$HADOOP_COMMON_HOME/share/hadoop/common/*,
$HADOOP_COMMON_HOME/share/hadoop/common/lib/*,
$HADOOP_HDFS_HOME/share/hadoop/hdfs/*,
$HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*,
$HADOOP_YARN_HOME/share/hadoop/yarn/*,
$HADOOP_YARN_HOME/share/hadoop/yarn/lib/*
For Windows:
%HADOOP_CONF_DIR%,
%HADOOP_COMMON_HOME%/share/hadoop/common/*,
%HADOOP_COMMON_HOME%/share/hadoop/common/lib/*,
%HADOOP_HDFS_HOME%/share/hadoop/hdfs/*,
%HADOOP_HDFS_HOME%/share/hadoop/hdfs/lib/*,
%HADOOP_YARN_HOME%/share/hadoop/yarn/*,
%HADOOP_YARN_HOME%/share/hadoop/yarn/lib/*
</description>
<name>yarn.application.classpath</name>
<value></value>
</property>
<!-- Other configuration -->