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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3828) Block Scanner rescans blocks too frequently
Date Wed, 22 Aug 2012 04:33:37 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439264#comment-13439264
] 

Hadoop QA commented on HDFS-3828:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12541854/hdfs3828.txt
  against trunk revision .

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

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

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

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

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    -1 findbugs.  The patch appears to introduce 3 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 passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/3064//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/3064//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3064//console

This message is automatically generated.
                
> Block Scanner rescans blocks too frequently
> -------------------------------------------
>
>                 Key: HDFS-3828
>                 URL: https://issues.apache.org/jira/browse/HDFS-3828
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.0, 2.0.0-alpha
>            Reporter: Andy Isaacson
>            Assignee: Andy Isaacson
>         Attachments: hdfs3828.txt
>
>
> Branching off from HDFS-3194:
> Andy said:
> {quote}
> There is still an issue here even with the patch from hdfs-3194-1.txt. Running on a cluster
with just one block we now see
> {noformat}
> 2012-08-16 15:59:57,884 INFO  datanode.BlockPoolSliceScanner (BlockPoolSliceScanner.java:verifyBlock(391))
- Verification succeeded for BP-2101131164-172.29.122.91-1337906886255:blk_7919273167187535506_4915
> 2012-08-16 16:00:07,904 INFO  datanode.BlockPoolSliceScanner (BlockPoolSliceScanner.java:verifyBlock(391))
- Verification succeeded for BP-2101131164-172.29.122.91-1337906886255:blk_7919273167187535506_4915
> 2012-08-16 16:00:17,925 INFO  datanode.BlockPoolSliceScanner (BlockPoolSliceScanner.java:verifyBlock(391))
- Verification succeeded for BP-2101131164-172.29.122.91-1337906886255:blk_7919273167187535506_4915
> {noformat}
> {quote}
> Uma said:
> bq. Latest patch from Amith should address this issue. 

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