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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:38:12 UTC
[jira] [Updated] (MAPREDUCE-4487) Reduce job latency by removing
hardcoded sleep statements
[ https://issues.apache.org/jira/browse/MAPREDUCE-4487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Allen Wittenauer updated MAPREDUCE-4487:
----------------------------------------
Labels: BB2015-05-TBR (was: )
> Reduce job latency by removing hardcoded sleep statements
> ---------------------------------------------------------
>
> Key: MAPREDUCE-4487
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4487
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv1, mrv2, performance
> Affects Versions: 1.0.3, 2.0.0-alpha
> Reporter: Tom White
> Assignee: Tom White
> Labels: BB2015-05-TBR
> Attachments: MAPREDUCE-4487-mr2.patch, MAPREDUCE-4487.patch
>
>
> There are a few places in MapReduce where there are hardcoded sleep statements. By replacing them with wait/notify or similar it's possible to reduce latency for short running jobs.
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