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Posted to common-dev@hadoop.apache.org by "Sameer Paranjpye (JIRA)" <ji...@apache.org> on 2008/03/28 18:46:24 UTC

[jira] Assigned: (HADOOP-3117) Speculative execution configuration is confusing

     [ https://issues.apache.org/jira/browse/HADOOP-3117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sameer Paranjpye reassigned HADOOP-3117:
----------------------------------------

    Assignee: Devaraj Das

> 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
>            Assignee: Devaraj Das
>             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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