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https://issues.apache.org/jira/browse/FLINK-23403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17463077#comment-17463077
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Till Rohrmann commented on FLINK-23403:
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I do agree that the change might not work for every deployment. For large scale
deployments, I think one probably has to set a different heartbeat interval and
timeout.
Adjusting the heartbeat settings dynamically might also work but is more
complex and more error-prone if not done correctly. Maybe we can try this as a
follow-up.
> Decrease default values for heartbeat timeout and interval
> ----------------------------------------------------------
>
> Key: FLINK-23403
> URL: https://issues.apache.org/jira/browse/FLINK-23403
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Configuration, Runtime / Coordination
> Affects Versions: 1.14.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Major
> Labels: pull-request-available, stale-assigned
> Fix For: 1.15.0
>
>
> In order to speed up failure detection I suggest to decrease the default
> values for the heartbeat timeout and interval from 50s/10s to 15s/3s.
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