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https://issues.apache.org/jira/browse/MAPREDUCE-2249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj K updated MAPREDUCE-2249:
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Status: Patch Available (was: Open)
Corrected the tab characters issue. Thanks Todd.
Added reflexive and commutative property checks in the equals() methods and
moved the synchronization to block level.
> 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
> Components: jobtracker, tasktracker
> Affects Versions: 0.22.0, 0.23.0
> Environment: NA
> Reporter: Bhallamudi Venkata Siva Kamesh
> 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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