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https://issues.apache.org/jira/browse/SPARK-27003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-27003.
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Resolution: Not A Problem
> [Spark]Message display at console is not correct for spark.executor.instances
> -----------------------------------------------------------------------------
>
> Key: SPARK-27003
> URL: https://issues.apache.org/jira/browse/SPARK-27003
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.0
> Environment: {color:red}colored text{color}
> Reporter: ABHISHEK KUMAR GUPTA
> Priority: Minor
> Attachments: Spark-JIRA-Executor-Msg.png, Spark-JIRA-Executor-Msg.png
>
>
> Steps:
> spark.executor.instances{color:#ff0000} not {color}configured at client side
> spark-default.conf( Default value is 2 )
> bin/spark-shell --master yarn --executor-memory 1024m --executor-cores 1
> --conf spark.dynamicAllocation.enabled=true --conf
> spark.dynamicAllocation.initialExecutors=3 --conf
> {color:#ff0000}spark.dynamicAllocation.minExecutors=1{color} --conf
> spark.dynamicAllocation.executorIdleTimeout=60s --conf spark.authenticate=true
> Warning msg display as below
> !Spark-JIRA-Executor-Msg.png!
> {color:#ff0000}spark.executor.instances less than
> spark.dynamicAllocation.minExecutors in Invalid, ignoring its setting, please
> update your config.{color}
>
> Note:
> When I submit as below with
> {color:#ff0000}spark.dynamicAllocation.minExecutors=0{color} no warning
> message at console
>
> bin/spark-shell --master yarn --executor-memory 1024m --executor-cores 1
> --conf spark.dynamicAllocation.enabled=true --conf
> spark.dynamicAllocation.initialExecutors=3 --conf
> spark.dynamicAllocation.minExecutors=0 --conf
> spark.dynamicAllocation.executorIdleTimeout=60s --conf spark.authenticate=true
>
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