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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1806) TestBlockReport.blockReport_08() and _09() are timing-dependent and likely to fail on fast servers
Date Thu, 14 Apr 2011 23:39:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13020104#comment-13020104
] 

Hadoop QA commented on HDFS-1806:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12476071/TestBlockReport.java.patch
  against trunk revision 1092534.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these core unit tests:
                  org.apache.hadoop.hdfs.TestLargeBlock

    -1 contrib tests.  The patch failed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/369//testReport/
Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/369//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/369//console

This message is automatically generated.

> TestBlockReport.blockReport_08() and _09() are timing-dependent and likely to fail on
fast servers
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1806
>                 URL: https://issues.apache.org/jira/browse/HDFS-1806
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node, name-node
>    Affects Versions: 0.22.0
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>             Fix For: 0.22.0
>
>         Attachments: TestBlockReport.java.patch, blockReport_08_failure_log.html
>
>
> Method waitForTempReplica() polls every 100ms during block replication, attempting to
"catch" a datanode in the state of having a TEMPORARY replica.  But examination of a current
Hudson test failure log shows that the replica goes from "start" to "TEMPORARY" to "FINALIZED"
in only 50ms, so of course the poll usually misses it.

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