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https://issues.apache.org/jira/browse/STORM-2984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16382213#comment-16382213
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Nikhil Bafna commented on STORM-2984:
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The idea is similar to refreshLoadTimer which is scheduled with jitter of 500ms.
> Introduce jitter in executor heartbeat
> --------------------------------------
>
> Key: STORM-2984
> URL: https://issues.apache.org/jira/browse/STORM-2984
> Project: Apache Storm
> Issue Type: Improvement
> Components: storm-client
> Reporter: Nikhil Bafna
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The executorHeartbeatTimer is scheduled without jitter. In cases where state
> storage is Zookeeper and not pacemaker, introducing jitter will help spread
> out the I/O over time on Zookeeper. This will be helpful for large clusters.
> The jitter time could be 0 < jitterTime < worker.heartbeat.frequency.secs
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