[jira] [Resolved] (HBASE-15519) Add per-user metrics

["Josh Elser (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-15519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Elser resolved HBASE-15519.
--------------------------------
    Hadoop Flags: Reviewed
    Release Note: Adds per-user metrics for reads/writes to each RegionServer. These metrics are exported by default. hbase.regionserver.user.metrics.enabled can be used to disable the feature if desired for any reason.
      Resolution: Fixed

Thanks for reviving this, Ankit. Pushed it to branch-2 and master.

> Add per-user metrics 
> ---------------------
>
>                 Key: HBASE-15519
>                 URL: https://issues.apache.org/jira/browse/HBASE-15519
>             Project: HBase
>          Issue Type: Sub-task
>          Components: metrics
>    Affects Versions: 1.2.0
>            Reporter: Enis Soztutar
>            Assignee: Ankit Singhal
>            Priority: Major
>             Fix For: 3.0.0, 2.3.0
>
>         Attachments: HBASE-15519.master.003.patch, hbase-15519_v0.patch, hbase-15519_v1.patch, hbase-15519_v1.patch, hbase-15519_v2.patch
>
>
> Per-user metrics will be useful in multi-tenant cases where we can emit number of requests, operations, num RPCs etc at the per-user aggregate level per regionserver. We currently have throttles per user, but no way to monitor resource usage per-user. 
> Looking at these metrics, operators can adjust throttles, do capacity planning, etc per-user. 



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