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https://issues.apache.org/jira/browse/MAPREDUCE-353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Gummadi updated MAPREDUCE-353:
-----------------------------------
Fix Version/s: 0.21.0
Assignee: Ravi Gummadi (was: Arun C Murthy)
Affects Version/s: 0.21.0
Release Note: Expert level config properties
mapred.shuffle.connect.timeout and mapred.shuffle.read.timeout that are to be
used at cluster level are added by this patch.
Status: Patch Available (was: Open)
> Allow shuffle read and connection timeouts to be configurable
> -------------------------------------------------------------
>
> Key: MAPREDUCE-353
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-353
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.21.0
> Reporter: Arun C Murthy
> Assignee: Ravi Gummadi
> Fix For: 0.21.0
>
> Attachments: MR-353.patch, MR-353.v1.patch
>
>
> It would be good for latency-sensitive applications to tune the shuffle
> read/connection timeouts... in fact this made a huge difference to terasort
> since we were seeing individual shuffles stuck for upwards of 60s and had to
> have a very small read timeout.
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