Speculative execution configuration is confusing
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Key: HADOOP-3117
URL: https://issues.apache.org/jira/browse/HADOOP-3117
Project: Hadoop Core
Issue Type: Improvement
Components: conf
Affects Versions: 0.16.0
Reporter: Sameer Paranjpye
Fix For: 0.17.0
In Hadoop 0.16 the single switch for speculative execution was replaced by 2
switches for maps and reduces. The old switch was retained as well and
overrides the new switches if it is turned on. This is confusing. We should go
back to a single config variable that has one value from the set -- 'true,
false, map, reduce'.
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