ABHISHEK KUMAR GUPTA created SPARK-26760:
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Summary: [Spark Race condition when number of cores is 4 and
Active Task display as 5 in Executor Tab of YARN 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
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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