GitHub user zodvik opened a pull request:
https://github.com/apache/storm/pull/2582
STORM-2984: Add jitter in executor heartbeat
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 is `worker.heartbeat.frequency.secs`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zodvik/storm master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/2582.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2582
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commit be071dd6435185c0bbcef31d30b93eb920659e10
Author: Nikhil Bafna <nikhil.bafna@...>
Date: 2018-03-01T11:53:44Z
STORM-2984: Add jitter in executor heartbeat
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