Github user jiangxb1987 commented on a diff in the pull request: https://github.com/apache/spark/pull/22699#discussion_r224508223 --- Diff: sbin/start-history-server.sh --- @@ -28,7 +28,22 @@ if [ -z "${SPARK_HOME}" ]; then export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)" fi +# NOTE: This exact class name is matched downstream by SparkSubmit. +# Any changes need to be reflected there. +CLASS="org.apache.spark.deploy.history.HistoryServer" + +if [[ "$@" = *--help ]] || [[ "$@" = *-h ]]; then + echo "Usage: ./sbin/start-history-server.sh [options]" --- End diff -- Well, I also saw similar code in `start-thriftserver.sh`, it uses `usage()`. Both are fine to me, just head up to make sure we've taken that into consideration.
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