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https://issues.apache.org/jira/browse/STORM-599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14266832#comment-14266832
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ASF GitHub Bot commented on STORM-599:
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Github user asfgit closed the pull request at:
https://github.com/apache/storm/pull/356
> UI is slow due to fetching heartbeats from ZK
> ---------------------------------------------
>
> Key: STORM-599
> URL: https://issues.apache.org/jira/browse/STORM-599
> Project: Apache Storm
> Issue Type: Improvement
> Affects Versions: 0.9.3
> Reporter: Derek Dagit
> Assignee: Derek Dagit
> Priority: Minor
>
> The method getTopologyInfo fetches every heartbeat from ZooKeeper in order to
> gather statistics. The UI calls this method via thrift to render the
> topology page.
> When topologies are launched with thousands of executors, this fetching from
> ZK dramatically slows things down.
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