[GitHub] [spark] Ngone51 commented on a change in pull request #27768: [SPARK-31018][CORE] Deprecate support of multiple workers on the same host in Standalone

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Ngone51 commented on a change in pull request #27768: [SPARK-31018][CORE] Deprecate support of multiple workers on the same host in Standalone
URL: https://github.com/apache/spark/pull/27768#discussion_r386878716
 
 

 ##########
 File path: sbin/start-slave.sh
 ##########
 @@ -86,6 +86,7 @@ function start_instance {
 if [ "$SPARK_WORKER_INSTANCES" = "" ]; then
   start_instance 1 "$@"
 else
+  echo "WARNING: Support of multiple workers on the same host is deprecated in Spark 3.0 and is going to be removed in Spark 3.1."
 
 Review comment:
   Do we expect to see such warning? @jiangxb1987 

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