[jira] [Resolved] (SPARK-24104) SQLAppStatusListener overwrites metrics onDriverAccumUpdates instead of updating them

["Marcelo Vanzin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-24104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcelo Vanzin resolved SPARK-24104.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.1
                   2.4.0

Issue resolved by pull request 21171
[https://github.com/apache/spark/pull/21171]

> SQLAppStatusListener overwrites metrics onDriverAccumUpdates instead of updating them
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-24104
>                 URL: https://issues.apache.org/jira/browse/SPARK-24104
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Juliusz Sompolski
>            Assignee: Juliusz Sompolski
>            Priority: Major
>             Fix For: 2.4.0, 2.3.1
>
>
> SqlAppStatusListener does 
> {code}
> exec.driverAccumUpdates = accumUpdates.toMap
> update(exec)
> {code}
> in onDriverAccumUpdates.
> But postDriverMetricUpdates is called multiple time per query, e.g. from each FileSourceScanExec and BroadcastExchangeExec.
> If the update does not really update it in the KV store (depending on liveUpdatePeriodNs), the previously posted metrics are lost.



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