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https://issues.apache.org/jira/browse/MAPREDUCE-2249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061989#comment-13061989
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Hudson commented on MAPREDUCE-2249:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk #731 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/731/])
MAPREDUCE-2249. Check the reflexive property of Counters objects when
comparing equality. Contributed by Devaraj K.
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1144097
Files :
* /hadoop/common/trunk/mapreduce/CHANGES.txt
* /hadoop/common/trunk/mapreduce/src/java/org/apache/hadoop/mapred/Counters.java
> Better to check the reflexive property of the object while overriding equals
> method of it
> -----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2249
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2249
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.22.0, 0.23.0
> Environment: NA
> Reporter: Bhallamudi Venkata Siva Kamesh
> Assignee: Devaraj K
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2249-1.patch, MAPREDUCE-2249-2.patch,
> MAPREDUCE-2249.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> It is better to check the reflexive property of the object while overriding
> equals method of it.
>
> It improves the performance when a heavy object is compared to itself.
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