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https://issues.apache.org/jira/browse/HDFS-1440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918133#action_12918133
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Suresh Srinivas commented on HDFS-1440:
---------------------------------------

testpatch output:
     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 3 new or 
modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the 
total number of release audit warnings.
     [exec] 
     [exec]     +1 system tests framework.  The patch passed system tests 
framework compile.

TestComputeInvalidateWork does not fail with this patch.


> TestComputeInvalidateWork fails intermittently
> ----------------------------------------------
>
>                 Key: HDFS-1440
>                 URL: https://issues.apache.org/jira/browse/HDFS-1440
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.22.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1440.patch
>
>
> TestComputeInvalidateWork fails intermittently. This is due to incorrect 
> synchronization introduced due to HDFS-1093. The test uses blocks 
> synchronized on FSNamesystem monitor, however with HDFS-1093, the 
> FSNamesystem uses explicit read/write lock for synchronization.

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