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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5025) Record ClientId and CallId in EditLog to enable rebuilding retry cache in case of HA failover
Date Tue, 30 Jul 2013 07:43:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13723525#comment-13723525
] 

Hadoop QA commented on HDFS-5025:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12594869/HDFS-5025.005.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 12 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}.  The javadoc tool did not generate any 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
1.3.9) 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-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4745//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4745//console

This message is automatically generated.
                
> Record ClientId and CallId in EditLog to enable rebuilding retry cache in case of HA
failover
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5025
>                 URL: https://issues.apache.org/jira/browse/HDFS-5025
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, namenode
>    Affects Versions: 3.0.0
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: editsStored, HDFS-5025.000.patch, HDFS-5025.001.patch, HDFS-5025.002.patch,
HDFS-5025.003.patch, HDFS-5025.004.patch, HDFS-5025.005.patch
>
>
> In case of HA failover, we need to be able to rebuild the retry cache in the other Namenode.
We thus need to record client id and call id in the edit log for those "AtMostOnce" operations.

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