[jira] [Resolved] (HBASE-13714) Add tracking of the total response queue size

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-13714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell resolved HBASE-13714.
-----------------------------------------
    Resolution: Incomplete

> Add tracking of the total response queue size
> ---------------------------------------------
>
>                 Key: HBASE-13714
>                 URL: https://issues.apache.org/jira/browse/HBASE-13714
>             Project: HBase
>          Issue Type: Improvement
>          Components: IPC/RPC, master, metrics, regionserver
>    Affects Versions: 1.0.2, 1.2.0, 2.0.0
>            Reporter: Esteban Gutierrez
>            Priority: Major
>
> I noticed this behavior while working on HBASE-13694:
> Once we are done processing a request, we decrement the call queue size on the RPC server. However, responses can be very large and sometimes sending them can take a long time. Since we don't keep track the response queue via metrics it is hard to spot when the responses are using too much resources on the RS. 
> Ideally we should be tracking on the RS how much data we have in-flight in the response queue via metrics and not just in the logs if the size of the response exceeds a threshold (e.g hbase.ipc.warn.response.size or hbase.ipc.warn.response.time)



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