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https://issues.apache.org/jira/browse/HDFS-9744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15247547#comment-15247547
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Walter Su commented on HDFS-9744:
---------------------------------
+1. will commit shortly.
> 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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