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https://issues.apache.org/jira/browse/MESOS-2485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493431#comment-14493431
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Benjamin Mahler commented on MESOS-2485:
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https://reviews.apache.org/r/33152/
https://reviews.apache.org/r/33153/
https://reviews.apache.org/r/33154/
https://reviews.apache.org/r/33155/
> Add ability to distinguish slave removals metrics by reason.
> ------------------------------------------------------------
>
> Key: MESOS-2485
> URL: https://issues.apache.org/jira/browse/MESOS-2485
> Project: Mesos
> Issue Type: Improvement
> Components: master
> Reporter: Benjamin Mahler
> Assignee: Benjamin Mahler
> Labels: twitter
>
> Currently we only expose a single removal metric
> ({{"master/slave_removals"}}) which makes it difficult to distinguish between
> removal reasons in the alerting.
> Currently, a slave can be removed for the following reasons:
> # Health checks failed.
> # Slave unregistered.
> # Slave was replaced by a new slave (on the same endpoint).
> In the case of (2), we expect this to be due to maintenance and don't want to
> be notified as strongly as with health check failures.
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