[jira] [Assigned] (HDFS-9744) TestDirectoryScanner#testThrottling occasionally time out after 300 seconds

["Lin Yiqun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-9744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lin Yiqun reassigned HDFS-9744:
-------------------------------

    Assignee: Lin Yiqun

> 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
>            Assignee: Lin Yiqun
>            Priority: Minor
>              Labels: test
>         Attachments: HDFS-9744.001.patch
>
>
> 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
> {noformat}
> Stacktrace
> {noformat}
> 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)
> {noformat}



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