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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2507) HA: Allow saveNamespace operations to be canceled
Date Wed, 26 Oct 2011 20:01:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136290#comment-13136290

Hadoop QA commented on HDFS-2507:

-1 overall.  Here are the results of testing the latest attachment 
  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 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

    -1 core tests.  The patch failed these unit tests:

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1465//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1465//console

This message is automatically generated.
> HA: Allow saveNamespace operations to be canceled
> -------------------------------------------------
>                 Key: HDFS-2507
>                 URL: https://issues.apache.org/jira/browse/HDFS-2507
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: HA branch (HDFS-1623), 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-2507.txt
> For HDFS-2291 (checkpointing in HA setup) we need to allow the StandbyNode to handle
a failover while it may be in the middle of saving a checkpoint. This implies that checkpoints
need to be abortable.
> This JIRA is to implement this functionality. Even though this is only needed for HA,
I think we should do the infrastructure in trunk to simplify future merges.

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