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https://issues.apache.org/jira/browse/TEZ-4165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17095962#comment-17095962
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Jonathan Turner Eagles commented on TEZ-4165:
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Before: 2.014s
After: 0.267s
Issue is that we sleep for 2000ms after notifying all fetcher threads to start
processing hosts, an operation that takes 40ms for me. Waiting 250ms should be
enough for stable test results.
> Speed up TestShuffleScheduler#testNumParallelScheduledFetchers
> --------------------------------------------------------------
>
> Key: TEZ-4165
> URL: https://issues.apache.org/jira/browse/TEZ-4165
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Jonathan Turner Eagles
> Assignee: Jonathan Turner Eagles
> Priority: Major
> Attachments: TEZ-4165.001.patch
>
>
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