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https://issues.apache.org/jira/browse/SPARK-26327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715112#comment-16715112
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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-445893199
 
 
   Test FAILed.
   Refer to this link for build results (access rights to CI server needed): 
   https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/99922/
   Test FAILed.

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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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