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
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@@ -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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