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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7693) Hostname returned by TableInputFormatBase.reverseDNS contains trailing period
Date Tue, 29 Jan 2013 00:27:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13564892#comment-13564892
] 

Hudson commented on HBASE-7693:
-------------------------------

Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #381 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/381/])
    HBASE-7693 Hostname returned by TableInputFormatBase.reverseDNS contains trailing period
(Robert Dyer) (Revision 1439556)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.java

                
> Hostname returned by TableInputFormatBase.reverseDNS contains trailing period
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-7693
>                 URL: https://issues.apache.org/jira/browse/HBASE-7693
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>    Affects Versions: 0.94.3
>            Reporter: Robert Dyer
>            Assignee: Robert Dyer
>            Priority: Trivial
>             Fix For: 0.96.0, 0.94.5
>
>         Attachments: HBASE-7693.patch
>
>
> TableInputFormatBase.reverseDNS makes a call to org.apache.hadoop.net.DNS.reverseDns
which (at least in Hadoop 1.0.4) returns a PTR record.  PTR records contain a trailing period,
which then shows up in the input split location causing the JobTracker to incorrectly match
map jobs to data-local map slots.

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