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https://issues.apache.org/jira/browse/SPARK-26760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16760534#comment-16760534
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ABHISHEK KUMAR GUPTA commented on SPARK-26760:
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spark.ui.liveUpdate.period after setting this to 0 for more task
# Submit a Job sc.parallelize(1 to 10000,116000).count() it is not correct in
UI. Still display more number of tasks.
> [Spark Incorrect display in SPARK UI Executor Tab when number of cores is 4
> and Active Task display as 5 in Executor Tab of SPARK UI]
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-26760
> URL: https://issues.apache.org/jira/browse/SPARK-26760
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.0
> Environment: Spark 2.4
> Reporter: ABHISHEK KUMAR GUPTA
> Priority: Major
> Attachments: SPARK-26760.png
>
>
> Steps:
> # Launch Spark Shell
> # bin/spark-shell --master yarn --conf spark.dynamicAllocation.enabled=true
> --conf spark.dynamicAllocation.initialExecutors=3 --conf
> spark.dynamicAllocation.minExecutors=1 --conf
> spark.dynamicAllocation.executorIdleTimeout=60s --conf
> spark.dynamicAllocation.maxExecutors=5
> # Submit a Job sc.parallelize(1 to 10000,116000).count()
> # Check the YARN UI Executor Tab for the RUNNING application
> # UI display as Number of cores 4 and Active Tasks column shows as 5
> Expected:
> It Number of Active Tasks should be same as Number of Cores.
>
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