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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3985) TestMulitipleNNDataBlockScanner may hang
Date Tue, 16 Oct 2012 06:17:03 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-3985:
------------------------------

    Attachment: hdfs-3985-timeouts.txt

Attached patch adds 120sec timeouts to all the test cases in this suite.

The last nightly run took 145 seconds, and a run on my laptop had these timings:
{code}
  <testcase time="25.516" classname="org.apache.hadoop.hdfs.server.datanode.TestMultipleNNDataBlockScanner"
name="testDataBlockScanner"/>
  <testcase time="21.932" classname="org.apache.hadoop.hdfs.server.datanode.TestMultipleNNDataBlockScanner"
name="testBlockScannerAfterRefresh"/>
  <testcase time="26.999" classname="org.apache.hadoop.hdfs.server.datanode.TestMultipleNNDataBlockScanner"
name="testBlockScannerAfterRestart"/>
  <testcase time="51.206" classname="org.apache.hadoop.hdfs.server.datanode.TestMultipleNNDataBlockScanner"
name="test2NNBlockRescanInterval"/>
  <testcase time="20.61" classname="org.apache.hadoop.hdfs.server.datanode.TestMultipleNNDataBlockScanner"
name="testBlockRescanInterval"/>
{code}

So 120sec should be plenty of time to not inflict false errors but hopefully will catch the
next time it gets "stuck"
                
> TestMulitipleNNDataBlockScanner may hang
> ----------------------------------------
>
>                 Key: HDFS-3985
>                 URL: https://issues.apache.org/jira/browse/HDFS-3985
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.2-alpha
>            Reporter: Eli Collins
>              Labels: test-fail
>         Attachments: hdfs-3985-timeouts.txt
>
>
> Saw TestMulitipleNNDataBlockScanner hang in a jenkins job recently. Let's add the relevant
test timeouts so we can see what's going on.

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