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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5208) Only clear network location cache on specific nodes if invalid NetworkTopology happens
Date Sun, 15 Sep 2013 02:08:51 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13767653#comment-13767653
] 

Hadoop QA commented on HDFS-5208:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12603196/HDFS-5208-v1.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 5 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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common.

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4974//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4974//console

This message is automatically generated.
                
> Only clear network location cache on specific nodes if invalid NetworkTopology happens
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-5208
>                 URL: https://issues.apache.org/jira/browse/HDFS-5208
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: HDFS-5208-v1.patch
>
>
> After HDFS-4521, once a DN is registered with invalid networktopology, all cached rack
info in DNSToSwitchMapping will be cleared. We should only clear cache on specific nodes.

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