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Posted to issues@mesos.apache.org by "James Peach (JIRA)" <ji...@apache.org> on 2017/09/05 16:28:00 UTC

[jira] [Created] (MESOS-7937) Make framework count metrics constant time.

James Peach created MESOS-7937:
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             Summary: Make framework count metrics constant time.
                 Key: MESOS-7937
                 URL: https://issues.apache.org/jira/browse/MESOS-7937
             Project: Mesos
          Issue Type: Improvement
          Components: master, statistics
            Reporter: James Peach


In the master metrics, various framework counters are implemented by a `Gauge` metric that `defers` to a linear scan of the frameworks (eg. MESOS-7747). This means that when we sample the metrics, there will be a N serialized loops over all the frameworks, so the cost of sampling master metrics will be very high for sites that have a large number of frameworks, and sampling the metrics will reduce master responsiveness.



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