[jira] [Commented] (HDFS-2822) processMisReplicatedBlock incorrectly identifies under-construction blocks as under-replicated

["Hadoop QA (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-2822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13190876#comment-13190876 ] 

Hadoop QA commented on HDFS-2822:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12511474/hdfs-2822.txt
  against trunk revision .

    +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 appears to have generated 21 warning messages.

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

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

    -1 findbugs.  The patch appears to introduce 1 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 unit tests:
                  org.apache.hadoop.hdfs.TestFileAppend4

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1795//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/1795//artifact/trunk/hadoop-hdfs-project/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1795//console

This message is automatically generated.
                
> processMisReplicatedBlock incorrectly identifies under-construction blocks as under-replicated
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2822
>                 URL: https://issues.apache.org/jira/browse/HDFS-2822
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, name-node
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-2822.txt
>
>
> When the NN processes mis-replicated blocks while exiting safemode, it considers under-construction blocks as under-replicated, inserting them into the neededReplicationsQueue. This makes them show up as corrupt in the metrics and UI momentarily, until they're pulled off the queue. At that point, it realizes that they aren't in fact under-replicated, correctly. This affects both the HA branch and trunk/23, best I can tell.

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