Wei-Chiu Chuang created HDFS-9744:
-------------------------------------
Summary: TestDirectoryScanner#testThrottling occasionally time out
after 300 seconds
Key: HDFS-9744
URL: https://issues.apache.org/jira/browse/HDFS-9744
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Environment: Jenkins
Reporter: Wei-Chiu Chuang
Priority: Minor
I have seen quite a few test failures in TestDirectoryScanner#testThrottling.
https://builds.apache.org/job/Hadoop-Hdfs-trunk/2793/testReport/org.apache.hadoop.hdfs.server.datanode/TestDirectoryScanner/testThrottling/
Looking at the log, it does not look like the test got stucked. On my local
machine, this test took 219 seconds. It is likely that this test takes more
than 300 seconds to complete on a busy jenkins slave. I think it is reasonable
to set a longer time out value, or reduce the number of blocks to reduce the
duration of the test.
Error Message
{noformat}
test timed out after 300000 milliseconds
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Stacktrace
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java.lang.Exception: test timed out after 300000 milliseconds
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at
org.apache.hadoop.hdfs.DataStreamer.waitAndQueuePacket(DataStreamer.java:804)
at
org.apache.hadoop.hdfs.DFSOutputStream.enqueueCurrentPacket(DFSOutputStream.java:423)
at
org.apache.hadoop.hdfs.DFSOutputStream.enqueueCurrentPacketFull(DFSOutputStream.java:432)
at
org.apache.hadoop.hdfs.DFSOutputStream.writeChunk(DFSOutputStream.java:418)
at
org.apache.hadoop.fs.FSOutputSummer.writeChecksumChunks(FSOutputSummer.java:217)
at org.apache.hadoop.fs.FSOutputSummer.write1(FSOutputSummer.java:125)
at org.apache.hadoop.fs.FSOutputSummer.write(FSOutputSummer.java:111)
at
org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:57)
at java.io.DataOutputStream.write(DataOutputStream.java:107)
at org.apache.hadoop.hdfs.DFSTestUtil.createFile(DFSTestUtil.java:418)
at org.apache.hadoop.hdfs.DFSTestUtil.createFile(DFSTestUtil.java:376)
at
org.apache.hadoop.hdfs.server.datanode.TestDirectoryScanner.createFile(TestDirectoryScanner.java:108)
at
org.apache.hadoop.hdfs.server.datanode.TestDirectoryScanner.testThrottling(TestDirectoryScanner.java:584)
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