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Posted to mapreduce-dev@hadoop.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2011/05/20 16:06:47 UTC
[jira] [Created] (MAPREDUCE-2524) Backport trunk heuristics for
failing maps when we get fetch failures retrieving map output during
shuffle
Backport trunk heuristics for failing maps when we get fetch failures retrieving map output during shuffle
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Key: MAPREDUCE-2524
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2524
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: tasktracker
Affects Versions: 0.20.204.0
Reporter: Thomas Graves
Assignee: Thomas Graves
Priority: Minor
Fix For: 0.20.205.0
The heuristics for failing maps when we get map output fetch failures during the shuffle is pretty conservative in 20. Backport the heuristics from trunk which are more aggressive, simpler, and configurable.
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