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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8144) pseudoSortByDistance in NetworkTopology doesn't work properly if no local node and first node is local rack node
Date Wed, 11 Apr 2012 23:27:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252040#comment-13252040
] 

Hadoop QA commented on HADOOP-8144:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12522341/hadoop-8144.txt
  against trunk revision .

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

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

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/846//console

This message is automatically generated.
                
> pseudoSortByDistance in NetworkTopology doesn't work properly if no local node and first
node is local rack node
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8144
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8144
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 1.0.0, 0.23.0
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Minor
>              Labels: patch
>         Attachments: HADOOP-8144-1.patch, HADOOP-8144-v2.patch, hadoop-8144.txt
>
>
> pseudoSortByDistance in NetworkTopology.java should sort nodes according to its distance
with reader as local node, local rack node, ... 
> But if there is no local node with reader in nodes and the first node is local rack node
with reader, then it will put a random node at position 0.

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