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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3169) LeaseChecker daemon should not be started in DFSClient constructor
Date Fri, 25 Jul 2008 21:57:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617077#action_12617077
] 

Hadoop QA commented on HADOOP-3169:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12386907/3169_20080725.patch
  against trunk revision 679879.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 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 warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2954/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2954/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2954/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2954/console

This message is automatically generated.

> LeaseChecker daemon should not be started in DFSClient constructor
> ------------------------------------------------------------------
>
>                 Key: HADOOP-3169
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3169
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 3169_20080718.patch, 3169_20080721.patch, 3169_20080723b.patch,
3169_20080725.patch
>
>
> LeaseChecker daemon periodically renew leases with NameNode.  However, if there is no
file creation, LeaseChecker daemon should not be started for saving resources and better performance.

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