HDFS-3322. Use HdfsDataInputStream and HdfsDataOutputStream in Hdfs.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1331114 13f79535-47bb-0310-9956-ffa450edef68
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@ -406,6 +406,9 @@ Release 2.0.0 - UNRELEASED
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HDFS-3258. Test for HADOOP-8144 (pseudoSortByDistance in
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NetworkTopology for first rack local node). (Junping Du via eli)
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HDFS-3322. Use HdfsDataInputStream and HdfsDataOutputStream in Hdfs.
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(szetszwo)
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OPTIMIZATIONS
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HDFS-3024. Improve performance of stringification in addStoredBlock (todd)
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@ -35,6 +35,8 @@ import org.apache.hadoop.hdfs.CorruptFileBlockIterator;
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import org.apache.hadoop.hdfs.DFSClient;
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import org.apache.hadoop.hdfs.DFSUtil;
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import org.apache.hadoop.hdfs.HdfsConfiguration;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
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import org.apache.hadoop.hdfs.protocol.DirectoryListing;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
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@ -43,8 +45,8 @@ import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifie
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import org.apache.hadoop.hdfs.server.namenode.NameNode;
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import org.apache.hadoop.io.Text;
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import org.apache.hadoop.security.AccessControlException;
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import org.apache.hadoop.security.token.Token;
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import org.apache.hadoop.security.token.SecretManager.InvalidToken;
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import org.apache.hadoop.security.token.Token;
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import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier;
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import org.apache.hadoop.util.Progressable;
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@ -88,11 +90,11 @@ public class Hdfs extends AbstractFileSystem {
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}
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@Override
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public FSDataOutputStream createInternal(Path f,
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public HdfsDataOutputStream createInternal(Path f,
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EnumSet<CreateFlag> createFlag, FsPermission absolutePermission,
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int bufferSize, short replication, long blockSize, Progressable progress,
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int bytesPerChecksum, boolean createParent) throws IOException {
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return new FSDataOutputStream(dfs.primitiveCreate(getUriPath(f),
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return new HdfsDataOutputStream(dfs.primitiveCreate(getUriPath(f),
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absolutePermission, createFlag, createParent, replication, blockSize,
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progress, bufferSize, bytesPerChecksum), getStatistics());
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}
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@ -324,8 +326,9 @@ public class Hdfs extends AbstractFileSystem {
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dfs.mkdirs(getUriPath(dir), permission, createParent);
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}
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@SuppressWarnings("deprecation")
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@Override
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public FSDataInputStream open(Path f, int bufferSize)
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public HdfsDataInputStream open(Path f, int bufferSize)
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throws IOException, UnresolvedLinkException {
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return new DFSClient.DFSDataInputStream(dfs.open(getUriPath(f),
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bufferSize, verifyChecksum));
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@ -45,7 +45,6 @@ import org.apache.hadoop.fs.Syncable;
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import org.apache.hadoop.fs.UnresolvedLinkException;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
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import org.apache.hadoop.hdfs.protocol.ClientProtocol;
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import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
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@ -44,7 +44,6 @@ import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.PathFilter;
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import org.apache.hadoop.fs.RemoteIterator;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.DFSClient.DFSDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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@ -638,19 +637,18 @@ public class DistributedFileSystem extends FileSystem {
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// We do not see a need for user to report block checksum errors and do not
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// want to rely on user to report block corruptions.
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@Deprecated
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@SuppressWarnings("deprecation")
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public boolean reportChecksumFailure(Path f,
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FSDataInputStream in, long inPos,
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FSDataInputStream sums, long sumsPos) {
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if(!(in instanceof DFSDataInputStream && sums instanceof DFSDataInputStream))
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throw new IllegalArgumentException("Input streams must be types " +
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"of DFSDataInputStream");
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if(!(in instanceof HdfsDataInputStream && sums instanceof HdfsDataInputStream))
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throw new IllegalArgumentException(
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"Input streams must be types of HdfsDataInputStream");
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LocatedBlock lblocks[] = new LocatedBlock[2];
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// Find block in data stream.
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DFSClient.DFSDataInputStream dfsIn = (DFSClient.DFSDataInputStream) in;
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HdfsDataInputStream dfsIn = (HdfsDataInputStream) in;
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ExtendedBlock dataBlock = dfsIn.getCurrentBlock();
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if (dataBlock == null) {
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LOG.error("Error: Current block in data stream is null! ");
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@ -663,7 +661,7 @@ public class DistributedFileSystem extends FileSystem {
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+ dataNode[0]);
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// Find block in checksum stream
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DFSClient.DFSDataInputStream dfsSums = (DFSClient.DFSDataInputStream) sums;
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HdfsDataInputStream dfsSums = (HdfsDataInputStream) sums;
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ExtendedBlock sumsBlock = dfsSums.getCurrentBlock();
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if (sumsBlock == null) {
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LOG.error("Error: Current block in checksum stream is null! ");
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@ -50,7 +50,7 @@ import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.MD5MD5CRC32FileChecksum;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.DFSClient;
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import org.apache.hadoop.hdfs.DFSClient.DFSDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
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import org.apache.hadoop.hdfs.server.datanode.DataNode;
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import org.apache.hadoop.hdfs.server.namenode.NameNode;
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@ -398,22 +398,21 @@ public class DatanodeWebHdfsMethods {
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{
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final int b = bufferSize.getValue(conf);
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final DFSClient dfsclient = new DFSClient(nnRpcAddr, conf);
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DFSDataInputStream in = null;
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HdfsDataInputStream in = null;
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try {
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in = new DFSClient.DFSDataInputStream(
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dfsclient.open(fullpath, b, true));
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in = new HdfsDataInputStream(dfsclient.open(fullpath, b, true));
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in.seek(offset.getValue());
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} catch(IOException ioe) {
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IOUtils.cleanup(LOG, in);
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IOUtils.cleanup(LOG, dfsclient);
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throw ioe;
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}
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final DFSDataInputStream dis = in;
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final HdfsDataInputStream dis = in;
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final StreamingOutput streaming = new StreamingOutput() {
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@Override
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public void write(final OutputStream out) throws IOException {
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final Long n = length.getValue();
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DFSDataInputStream dfsin = dis;
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HdfsDataInputStream dfsin = dis;
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DFSClient client = dfsclient;
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try {
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if (n == null) {
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@ -55,8 +55,8 @@ import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.FileSystem.Statistics;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.DFSClient.DFSDataInputStream;
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import org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.protocol.DatanodeID;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
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@ -515,15 +515,14 @@ public class DFSTestUtil {
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}
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public static ExtendedBlock getFirstBlock(FileSystem fs, Path path) throws IOException {
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DFSDataInputStream in =
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(DFSDataInputStream) ((DistributedFileSystem)fs).open(path);
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HdfsDataInputStream in = (HdfsDataInputStream)((DistributedFileSystem)fs).open(path);
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in.readByte();
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return in.getCurrentBlock();
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}
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public static List<LocatedBlock> getAllBlocks(FSDataInputStream in)
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throws IOException {
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return ((DFSClient.DFSDataInputStream) in).getAllBlocks();
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return ((HdfsDataInputStream) in).getAllBlocks();
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}
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public static Token<BlockTokenIdentifier> getBlockToken(
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@ -34,6 +34,7 @@ import org.apache.hadoop.fs.CommonConfigurationKeys;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.protocol.DatanodeID;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
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@ -143,10 +144,10 @@ public class TestDecommission {
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String downnode, int numDatanodes) throws IOException {
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boolean isNodeDown = (downnode != null);
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// need a raw stream
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assertTrue("Not HDFS:"+fileSys.getUri(),
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fileSys instanceof DistributedFileSystem);
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DFSClient.DFSDataInputStream dis = (DFSClient.DFSDataInputStream)
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((DistributedFileSystem)fileSys).open(name);
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assertTrue("Not HDFS:"+fileSys.getUri(),
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fileSys instanceof DistributedFileSystem);
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HdfsDataInputStream dis = (HdfsDataInputStream)
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((DistributedFileSystem)fileSys).open(name);
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Collection<LocatedBlock> dinfo = dis.getAllBlocks();
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for (LocatedBlock blk : dinfo) { // for each block
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int hasdown = 0;
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@ -28,7 +28,7 @@ import org.apache.hadoop.fs.CommonConfigurationKeys;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.DFSClient.DFSDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.protocol.RecoveryInProgressException;
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import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
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import org.apache.hadoop.ipc.RemoteException;
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@ -147,7 +147,7 @@ public class TestReadWhileWriting {
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final FileSystem fs = DFSTestUtil.getFileSystemAs(ugi, conf);
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final DFSDataInputStream in = (DFSDataInputStream)fs.open(p);
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final HdfsDataInputStream in = (HdfsDataInputStream)fs.open(p);
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//Check visible length
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Assert.assertTrue(in.getVisibleLength() >= expectedsize);
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@ -29,7 +29,7 @@ import org.apache.hadoop.fs.FSDataInputStream;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.DFSClient.DFSDataInputStream;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.apache.hadoop.hdfs.protocol.BlockLocalPathInfo;
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import org.apache.hadoop.hdfs.protocol.ClientDatanodeProtocol;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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@ -119,7 +119,7 @@ public class TestShortCircuitLocalRead {
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*/
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static void checkFileContentDirect(FileSystem fs, Path name, byte[] expected,
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int readOffset) throws IOException {
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DFSDataInputStream stm = (DFSDataInputStream)fs.open(name);
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HdfsDataInputStream stm = (HdfsDataInputStream)fs.open(name);
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ByteBuffer actual = ByteBuffer.allocate(expected.length - readOffset);
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@ -31,6 +31,7 @@ import org.apache.hadoop.fs.FileContext;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
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import org.junit.After;
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import org.junit.Assert;
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import org.junit.Before;
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@ -155,7 +156,7 @@ public class TestWriteRead {
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try {
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in = openInputStream(path);
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long visibleLenFromReadStream = getVisibleFileLength(in);
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long visibleLenFromReadStream = ((HdfsDataInputStream)in).getVisibleLength();
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if (visibleLenFromReadStream < byteExpected)
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{
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return fileStatus.getLen();
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}
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private long getVisibleFileLength(FSDataInputStream in) throws IOException {
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DFSClient.DFSDataInputStream din = (DFSClient.DFSDataInputStream) in;
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return din.getVisibleLength();
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}
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private boolean ifExists(Path path) throws IOException {
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return useFCOption ? mfc.util().exists(path) : mfs.exists(path);
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}
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