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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2765) Add leveldb-based implementation for RMStateStore
Date Wed, 29 Oct 2014 03:01:35 GMT

    [ https://issues.apache.org/jira/browse/YARN-2765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14187931#comment-14187931
] 

Hadoop QA commented on YARN-2765:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12677800/YARN-2765.patch
  against trunk revision 3c5f5af.

    {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: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-yarn-project/hadoop-yarn/hadoop-yarn-api
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/5618//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5618//console

This message is automatically generated.

> Add leveldb-based implementation for RMStateStore
> -------------------------------------------------
>
>                 Key: YARN-2765
>                 URL: https://issues.apache.org/jira/browse/YARN-2765
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-2765.patch
>
>
> It would be nice to have a leveldb option to the resourcemanager recovery store. Leveldb
would provide some benefits over the existing filesystem store such as better support for
atomic operations, fewer I/O ops per state update, and far fewer total files on the filesystem.



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