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From "Greg Mann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-4760) Expose metrics and gauges for fetcher cache usage and hit rate
Date Wed, 21 Sep 2016 00:45:21 GMT

    [ https://issues.apache.org/jira/browse/MESOS-4760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15508280#comment-15508280
] 

Greg Mann commented on MESOS-4760:
----------------------------------

[~mrbrowning], it looks like this is on hold for the time being; if that's correct, would
you mind discarding the associated review request for now? Do you have any plans to continue
this ticket in the future? If not, you could unassign yourself as well.

> Expose metrics and gauges for fetcher cache usage and hit rate
> --------------------------------------------------------------
>
>                 Key: MESOS-4760
>                 URL: https://issues.apache.org/jira/browse/MESOS-4760
>             Project: Mesos
>          Issue Type: Improvement
>          Components: fetcher, statistics
>            Reporter: Michael Browning
>            Assignee: Michael Browning
>            Priority: Minor
>              Labels: features, fetcher, statistics, uber
>
> To evaluate the fetcher cache and calibrate the value of the fetcher_cache_size flag,
it would be useful to have metrics and gauges on agents that expose operational statistics
like cache hit rate, occupied cache size, and time spent downloading resources that were not
present.



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