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https://issues.apache.org/jira/browse/BEAM-839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15610077#comment-15610077
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ASF GitHub Bot commented on BEAM-839:
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Github user tgroh closed the pull request at:
https://github.com/apache/incubator-beam/pull/1197
> The DirectRunner slows down significantly as the number of keys increases
> -------------------------------------------------------------------------
>
> Key: BEAM-839
> URL: https://issues.apache.org/jira/browse/BEAM-839
> Project: Beam
> Issue Type: Bug
> Reporter: Thomas Groh
> Assignee: Thomas Groh
>
> For example, running WordCount on KingLear takes approximately 10 seconds,
> while running WordCount on all of Shakespeare takes approximately 5 minutes.
> Most of this time is spent with the transforms unable to make progress, as
> the time is spent updating the minimum hold.
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