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Posted to dev@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2015/12/09 10:08:10 UTC

[jira] [Resolved] (TEZ-1940) Change OrderedGroupedFetcher to work with a ThreadPool and Callables

     [ https://issues.apache.org/jira/browse/TEZ-1940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth resolved TEZ-1940.
---------------------------------
    Resolution: Duplicate

> Change OrderedGroupedFetcher to work with a ThreadPool and Callables
> --------------------------------------------------------------------
>
>                 Key: TEZ-1940
>                 URL: https://issues.apache.org/jira/browse/TEZ-1940
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>
> Currently OrderedGroupedShuffle creates N threads up front - each of which waits for events. This needs to move to a model where the fetchers can run off a threadpool instead of having the fetchers permanently take up a thread.



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