[jira] [Resolved] (IMPALA-6545) Return structured JSON for metrics on /rpcz debug page

["Lars Volker (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-6545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Volker resolved IMPALA-6545.
---------------------------------
    Resolution: Won't Fix

This doesn't seem worth the effort for the same reasons as IMPALA-6541.

> Return structured JSON for metrics on /rpcz debug page
> ------------------------------------------------------
>
>                 Key: IMPALA-6545
>                 URL: https://issues.apache.org/jira/browse/IMPALA-6545
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 3.0, Impala 2.12.0
>            Reporter: Lars Volker
>            Priority: Major
>              Labels: metrics, observability, rpc
>
> We currently return histograms as human readable string on /rpcz, both for the rendered HTML version and for the JSON version returned by /rpcz?json. Instead, we should return the same JSON that we return for Impala's histograms on /metrics.
> {noformat}
> "name": "rpc-method.backend.ImpalaInternalService.CancelQueryFInstances.call_duration",
> "description": "",
> "human_readable": "Count: 1, min / max: 0 / 0, 25th %-ile: 0, 50th %-ile: 0, 75th %-ile: 0, 90th %-ile: 0, 95th %-ile: 0, 99.9th %-ile: 0",
> "25th %-ile": 0,
> "50th %-ile": 0,
> "75th %-ile": 0,
> "90th %-ile": 0,
> "95th %-ile": 0,
> "99.9th %-ile": 0,
> "max": 0,
> "min": 0,
> "count": 1,
> "kind": "HISTOGRAM",
> "units": "TIME_MS"
> {noformat}



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