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https://issues.apache.org/jira/browse/HIVE-17341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16141741#comment-16141741
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Eugene Koifman commented on HIVE-17341:
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no related failures
> DbTxnManger.startHeartbeat() - randomize initial delay
> ------------------------------------------------------
>
> Key: HIVE-17341
> URL: https://issues.apache.org/jira/browse/HIVE-17341
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Attachments: HIVE-17341.01.patch
>
>
> This sets up a fixed delay for all heartebeats. If many queries land on the
> server at the same time,
> they will wake up and start hearbeating at the same time causing a bottleneck.
> Add some random element to heatbeat delay.
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