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https://issues.apache.org/jira/browse/SPARK-24241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Saisai Shao resolved SPARK-24241.
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Resolution: Fixed
> Do not fail fast when dynamic resource allocation enabled with 0 executor
> -------------------------------------------------------------------------
>
> Key: SPARK-24241
> URL: https://issues.apache.org/jira/browse/SPARK-24241
> Project: Spark
> Issue Type: Bug
> Components: Spark Submit
> Affects Versions: 2.3.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Minor
>
> {code:java}
> ~/spark-2.3.0-bin-hadoop2.7$ bin/spark-sql --num-executors 0 --conf
> spark.dynamicAllocation.enabled=true
> Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=1024m;
> support was removed in 8.0
> Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=1024m;
> support was removed in 8.0
> Error: Number of executors must be a positive number
> Run with --help for usage help or --verbose for debug output
> {code}
> Actually, we could start up with min executor number with 0 before
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