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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-26327) Metrics in FileSourceScanExec not update correctly
Date Tue, 11 Dec 2018 00:35:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-26327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715857#comment-16715857
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ASF GitHub Bot commented on SPARK-26327:
----------------------------------------

AmplabJenkins commented on issue #23277: [SPARK-26327][SQL] Metrics in FileSourceScanExec
not update correctly
URL: https://github.com/apache/spark/pull/23277#issuecomment-446028069
 
 
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> Metrics in FileSourceScanExec not update correctly
> --------------------------------------------------
>
>                 Key: SPARK-26327
>                 URL: https://issues.apache.org/jira/browse/SPARK-26327
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Yuanjian Li
>            Priority: Major
>
> As currently approach in `FileSourceScanExec`, the metrics of "numFiles" and "metadataTime"(fileListingTime)
were updated while lazy val `selectedPartitions` initialized. But `selectedPartitions` will
be initialized by `metadata` at first, which is called by `queryExecution.toString` in `SQLExecution.withNewExecutionId`.
So while the `SQLMetrics.postDriverMetricUpdates` called, there's no corresponding liveExecutions
in SQLAppStatusListener, the metrics update is not work.



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