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https://issues.apache.org/jira/browse/TEZ-1789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14247442#comment-14247442
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Siddharth Seth commented on TEZ-1789:
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Go for it. The thread name is likely the most important to address from a
debugging perspective.
> Move speculator processing off the central dispatcher
> -----------------------------------------------------
>
> Key: TEZ-1789
> URL: https://issues.apache.org/jira/browse/TEZ-1789
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Attachments: TEZ-1789.1.patch
>
>
> There may be a large number of such events and speculators may have expensive
> logic while handling them. Moving off the central dispatcher will keep this
> off critical execution path.
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