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Posted to dev@pig.apache.org by "Olga Natkovich (JIRA)" <ji...@apache.org> on 2010/07/10 00:56:50 UTC

[jira] Resolved: (PIG-702) Computation of number of reducers in order by has to change for a static cluster (Hadoop 20)

     [ https://issues.apache.org/jira/browse/PIG-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Olga Natkovich resolved PIG-702.
--------------------------------

    Resolution: Fixed

> Computation of number of reducers in order by has to change for a static cluster (Hadoop 20)
> --------------------------------------------------------------------------------------------
>
>                 Key: PIG-702
>                 URL: https://issues.apache.org/jira/browse/PIG-702
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.2.0
>            Reporter: Santhosh Srinivasan
>
> In Hadoop 20, a static cluster is shared amongst multiple queues. The computation of the number of reducers in order by queries when parallel keyword needs to change. Currently, the number of reducers is computed as a function of the number of reduce slots and the number of nodes in the cluster. Conservatively, this should revert to one reducer.

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