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

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-24104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16454630#comment-16454630 ] 

Apache Spark commented on SPARK-24104:
--------------------------------------

User 'juliuszsompolski' has created a pull request for this issue:
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
>            Priority: Major
>
> 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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