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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7281) Missing block is marked as corrupted block
Date Fri, 24 Oct 2014 06:10:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14182486#comment-14182486
] 

Hadoop QA commented on HDFS-7281:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12676827/HDFS-7281.patch
  against trunk revision 57dec28.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.TestLeaseRecovery2
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8515//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8515//console

This message is automatically generated.

> Missing block is marked as corrupted block
> ------------------------------------------
>
>                 Key: HDFS-7281
>                 URL: https://issues.apache.org/jira/browse/HDFS-7281
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>         Attachments: HDFS-7281.patch
>
>
> In the situation where the block lost all its replicas, fsck shows the block is missing
as well as corrupted. Perhaps it is better not to mark the block corrupted in this case. The
reason it is marked as corrupted is numCorruptNodes == numNodes == 0 in the following code.
> {noformat}
> BlockManager
>     final boolean isCorrupt = numCorruptNodes == numNodes;
> {noformat}
> Would like to clarify if it is the intent to mark missing block as corrupted or it is
just a bug.



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