Luca Canali created SPARK-26642:
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Summary: Add --num-executor option to spark-submit for Spark on K8S
Key: SPARK-26642
URL: https://issues.apache.org/jira/browse/SPARK-26642
Project: Spark
Issue Type: Improvement
Components: Kubernetes, Spark Core
Affects Versions: 3.0.0
Reporter: Luca Canali
Currently spark-submit supports the option "--num-executors NUM" only for Spark
on YARN. Users running Spark on K8S can specify the requested number of
executors in spark-submit with "--conf spark.executors.instances=NUM"
This proposes to extend the spark-submit option -num-executors to be applicable
to Spark on K8S too. It is motivated by convenience, for example when migrating
jobs written for YARN to run on K8S.
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