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From "Lin Yiqun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9744) TestDirectoryScanner#testThrottling occasionally time out after 300 seconds
Date Wed, 06 Apr 2016 02:43:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15227601#comment-15227601
] 

Lin Yiqun commented on HDFS-9744:
---------------------------------

Thanks [~jojochuang] for finding this. I agree comments from [~templedf]. We can just bump
the timeout for {{TestDirectory#testThrottling}}. Attach a simple patch from me.

> 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
>              Labels: test
>
> 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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