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Posted to issues@impala.apache.org by "Lars Volker (JIRA)" <ji...@apache.org> on 2018/04/02 20:30:00 UTC

[jira] [Resolved] (IMPALA-6541) Add missing KRPC histograms to /metrics page

     [ https://issues.apache.org/jira/browse/IMPALA-6541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Volker resolved IMPALA-6541.
---------------------------------
       Resolution: Won't Fix
    Fix Version/s: Not Applicable

There's doesn't seem to be any value in this. We are not aware of any tooling that would scrape histograms and display them in a useful way, in particular because Impala's native histograms can be reset from the /rpcz debug webpage.

> Add missing KRPC histograms to /metrics page
> --------------------------------------------
>
>                 Key: IMPALA-6541
>                 URL: https://issues.apache.org/jira/browse/IMPALA-6541
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 3.0, Impala 2.12.0
>            Reporter: Lars Volker
>            Assignee: Lars Volker
>            Priority: Major
>              Labels: metrics, observability, rpc
>             Fix For: Not Applicable
>
>
> IMPALA-6269 left out the KRPC histograms from adding them to the /metrics page. We should consider adding them there. For the histograms coming from the KRPC code itself (using Kudu's metric classes) this will require wrapping them so that they can be registered in our metric groups.



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