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From "Sameer Paranjpye (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3117) Speculative execution configuration is confusing
Date Fri, 28 Mar 2008 17:46:24 GMT
Speculative execution configuration is confusing

                 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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