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From "Gary Helmling (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17627) Active workers metric for thrift
Date Tue, 14 Feb 2017 20:17:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15866560#comment-15866560
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Gary Helmling commented on HBASE-17627:
---------------------------------------

+1 on the patch from review board.

Can you check the test failure and see if it is related?

They way we currently expose number of active handlers, here and in the RpcServer, is a bit
flawed.  Since it is a point in time metric, it can miss spikes in activity which clear before
the metrics collection happen.  Ultimately it might be better to report something like "number
of handler milliseconds consumed" (millis duration for each call, summed up), but that is
really a separate discussion.

Anyway, this change is much better than what we currently have, or don't have rather.

> Active workers metric for thrift
> --------------------------------
>
>                 Key: HBASE-17627
>                 URL: https://issues.apache.org/jira/browse/HBASE-17627
>             Project: HBase
>          Issue Type: Improvement
>          Components: Thrift
>            Reporter: Ashu Pachauri
>            Assignee: Ashu Pachauri
>         Attachments: HBASE-17627.master.001.patch
>
>
> It would be good to have a metric for number of active handlers on thrift servers, which
gives a good indication of business of a thrift server.



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