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https://issues.apache.org/jira/browse/HBASE-7693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13564501#comment-13564501
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Lars Hofhansl edited comment on HBASE-7693 at 1/28/13 6:44 PM:
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Yes, that is crucial for 0.94... I'll commit this now. Thanks again for the
finding and patch.
was (Author: lhofhansl):
Can that is crucial for 0.94... I'll commit this now. Thanks again for the
finding and patch.
> 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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