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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TEZ-1940) Change OrderedGroupedFetcher to work with a ThreadPool and Callables
Date Wed, 09 Dec 2015 09:08:10 GMT

     [ 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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