Qingxin Wu created SPARK-26588:
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Summary: Idle executor should properly be killed when no job is
submitted
Key: SPARK-26588
URL: https://issues.apache.org/jira/browse/SPARK-26588
Project: Spark
Issue Type: Bug
Components: Scheduler, Spark Core
Affects Versions: 2.4.0
Reporter: Qingxin Wu
I enable dynamic allocation feature with *spark-shell* and do not submit any
task. After *spark.dynamicAllocation.executorIdleTimeout* seconds(default 60s),
there is still one active executor, which is abnormal. All idle executors are
timeout and should be removed.(default
*spark.dynamicAllocation.minExecutors*=0). The spark-shell command show below:
{code:java}
spark-shell --master=yarn --conf spark.ui.port=8040 --conf
spark.dynamicAllocation.enabled=true --conf
spark.dynamicAllocation.maxExecutors=8 --conf
spark.dynamicAllocation.initialExecutors=4 --conf
spark.shuffle.service.enabled=true
{code}
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