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https://issues.apache.org/jira/browse/MESOS-6873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhitao Li reassigned MESOS-6873:
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Assignee: Zhitao Li
> Replace actor queue size gauge with pair of counters
> ----------------------------------------------------
>
> Key: MESOS-6873
> URL: https://issues.apache.org/jira/browse/MESOS-6873
> Project: Mesos
> Issue Type: Bug
> Reporter: Zhitao Li
> Assignee: Zhitao Li
>
> This is necessary to ensure that when the corresponding actor is overloaded,
> `/metrics/snapshot` still finishes and not blocked infinitely, or seeing
> corresponding metrics timeout.
> Quoting [~bmahler] from email:
> {quote}
> There are instances of Gauges that might be better represented as
> Counters. For example, we expose the actor queue sizes using a gauge (known
> to be unfortunate!), when instead we could expose two counters for
> "enqueued" and "dequeued" messages and infer size from these. We can also
> add the ability for callers to manually increment and decrement their
> Gauges rather than go through a dispatch.
> {quote}
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