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HDFS-3384. DataStreamer thread should be closed immediatly when failed to setup a PipelineForAppendOrRecovery (Contributed by Uma Maheswara Rao G) 

(cherry picked from commit c648317a68)
This commit is contained in:
Vinayakumar B 2015-05-08 17:18:14 +05:30
parent 2c3d79023b
commit d129bbbb37
3 changed files with 29 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -363,6 +363,9 @@ Release 2.8.0 - UNRELEASED
HDFS-6576. Datanode log is generating at root directory in security mode
(surendra singh lilhore via vinayakumarb)
HDFS-3384. DataStreamer thread should be closed immediatly when failed to
setup a PipelineForAppendOrRecovery (Uma Maheswara Rao G via vinayakumarb)
Release 2.7.1 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
View File

@ -460,6 +460,9 @@ class DataStreamer extends Daemon {
LOG.debug("Append to block " + block);
}
setupPipelineForAppendOrRecovery();
if (true == streamerClosed) {
continue;
}
initDataStreaming();
}
@ -571,6 +574,7 @@ class DataStreamer extends Daemon {
}
}
lastException.set(e);
assert !(e instanceof NullPointerException);
hasError = true;
if (errorIndex == -1 && restartingNodeIndex.get() == -1) {
// Not a datanode issue

22
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
View File

@ -603,4 +603,26 @@ public class TestFileAppend{
cluster.shutdown();
}
}
@Test(timeout = 10000)
public void testAppendCorruptedBlock() throws Exception {
Configuration conf = new HdfsConfiguration();
conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 1024);
conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1);
conf.setInt("dfs.min.replication", 1);
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1)
.build();
try {
DistributedFileSystem fs = cluster.getFileSystem();
Path fileName = new Path("/appendCorruptBlock");
DFSTestUtil.createFile(fs, fileName, 512, (short) 1, 0);
DFSTestUtil.waitReplication(fs, fileName, (short) 1);
Assert.assertTrue("File not created", fs.exists(fileName));
ExtendedBlock block = DFSTestUtil.getFirstBlock(fs, fileName);
cluster.corruptBlockOnDataNodes(block);
DFSTestUtil.appendFile(fs, fileName, "appendCorruptBlock");
} finally {
cluster.shutdown();
}
}
}