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https://issues.apache.org/jira/browse/TEZ-1897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527068#comment-14527068
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Siddharth Seth commented on TEZ-1897:
-------------------------------------
Looks like this went in with concurrentDispatchers enabled. Can you please undo
that bit.
> Create a concurrent version of AsyncDispatcher
> ----------------------------------------------
>
> Key: TEZ-1897
> URL: https://issues.apache.org/jira/browse/TEZ-1897
> Project: Apache Tez
> Issue Type: Task
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Fix For: 0.7.0
>
> Attachments: TEZ-1897.1.patch, TEZ-1897.2.patch, TEZ-1897.3.patch,
> TEZ-1897.4.patch, TEZ-1897.5.patch, TEZ-1897.6.patch, TEZ-1897.7.patch,
> TEZ-1897.8.patch
>
>
> Currently, it processes events on a single thread. For events that can be
> executed in parallel, e.g. vertex manager events, allowing higher concurrency
> may be beneficial.
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