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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3620) Namenode should synchronously resolve a datanode's network location when the datanode registers
Date Sun, 13 Jul 2008 01:57:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613143#action_12613143
] 

Hadoop QA commented on HADOOP-3620:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12385685/netResolution3.patch
  against trunk revision 676069.

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

    +1 tests included.  The patch appears to include 6 new or modified tests.

    -1 javadoc.  The javadoc tool appears to have generated 1 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/2850/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2850/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2850/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2850/console

This message is automatically generated.

> Namenode should synchronously resolve a datanode's network location when the datanode
registers
> -----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3620
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3620
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.18.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.19.0
>
>         Attachments: netResolution.patch, netResolution1.patch, netResolution2.patch,
netResolution3.patch
>
>
> Release 0.18.0 removes the rpc timeout. So the namenode is ok to resolve a datanode's
network location when the datanode registers. This could remove quite a lot of unnecessary
code in both datanode and namenode to handle asynchronous network location resolution and
avoid many potential bugs.

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