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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7123) Run legacy fsimage checkpoint in parallel with PB fsimage checkpoint
Date Mon, 22 Sep 2014 22:55:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143984#comment-14143984

Hadoop QA commented on HDFS-7123:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision 912ad32.

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

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

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 112 warning
        See https://builds.apache.org/job/PreCommit-HDFS-Build/8143//artifact/PreCommit-HADOOP-Build-patchprocess/diffJavadocWarnings.txt
for details.

    {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:


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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8143//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8143//console

This message is automatically generated.

> Run legacy fsimage checkpoint in parallel with PB fsimage checkpoint
> --------------------------------------------------------------------
>                 Key: HDFS-7123
>                 URL: https://issues.apache.org/jira/browse/HDFS-7123
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>         Attachments: HDFS-7123.patch
> HDFS-7097 will address the checkpoint and BR issue. In addition, it might still be useful
to reduce the overall checkpoint duration, given it blocks edit log replay. If there is large
volume of edit log to catch up and NN fail overs, it will impact the availability.

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