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https://issues.apache.org/jira/browse/MAPREDUCE-3827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-3827:
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Priority: Blocker (was: Major)
Affects Version/s: 0.23.0
Fix Version/s: 0.23.1
Assignee: Vinod Kumar Vavilapalli
Found this while benchmarking scan. With and without the patch at
MAPREDUCE-3827, there is a 10% (10 seconds) difference only because of counters.
> Counters aggregation slowed down significantly after MAPREDUCE-3749
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-3827
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3827
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2, performance
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Blocker
> Fix For: 0.23.1
>
>
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