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https://issues.apache.org/jira/browse/MESOS-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145068#comment-14145068
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Dominic Hamon commented on MESOS-1456:
--------------------------------------
https://reviews.apache.org/r/25945/
> Metric lifetime should be tied to process runstate, not lifetime.
> -----------------------------------------------------------------
>
> Key: MESOS-1456
> URL: https://issues.apache.org/jira/browse/MESOS-1456
> Project: Mesos
> Issue Type: Bug
> Components: statistics
> Affects Versions: 0.19.0
> Reporter: Dominic Hamon
> Assignee: Dominic Hamon
>
> The usual pattern for termination of processes is {{terminate(..); wait(..);
> delete ..;}} but the {{SchedulerProcess}} is terminated and then deleted some
> time later.
> If the metrics endpoint is accessed within that period, it never returns as
> it tries to access a {{Gauge}} that has a reference to a valid PID that is
> not getting any timeslices (the {{SchedulerProcess}}). A one-off fix can be
> made to the {{SchedulerProcess}} to move the metrics add/remove calls to
> {{initialize}} and {{finalize}}, but this should be the general pattern for
> every process with metrics.
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