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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2026/04/10 18:03:00 UTC

[jira] [Commented] (IMPALA-14878) Use separate incoming_queue_time histograms for control service vs data stream service

    [ https://issues.apache.org/jira/browse/IMPALA-14878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18072700#comment-18072700 ] 

Michael Smith commented on IMPALA-14878:
----------------------------------------

So these are presented separately in impala.ControlService and impala.DataStreamService, but they show the same measurements because they're backed by a single histogram? I'd classify that as a bug.

> Use separate incoming_queue_time histograms for control service vs data stream service
> --------------------------------------------------------------------------------------
>
>                 Key: IMPALA-14878
>                 URL: https://issues.apache.org/jira/browse/IMPALA-14878
>             Project: IMPALA
>          Issue Type: Task
>          Components: Distributed Exec
>    Affects Versions: Impala 5.0.0
>            Reporter: Joe McDonnell
>            Priority: Major
>
> The "incoming_queue_time" histogram on the RPCZ page is shared between the control service and the data stream service. It would be useful to have a separate histograms for the two, as they use separate service threads and can have different queuing times.



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