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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# A shell script to stop all workers on a single slave
#
# Environment variables
#
# SPARK_WORKER_INSTANCES The number of worker instances that should be
# running on this slave. Default is 1.
# Usage: stop-slave.sh
# Stops all slaves on this worker machine
if [ -z "${SPARK_HOME}" ]; then
export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
fi
. "${SPARK_HOME}/sbin/spark-config.sh"
. "${SPARK_HOME}/bin/load-spark-env.sh"
if [ "$SPARK_WORKER_INSTANCES" = "" ]; then
"${SPARK_HOME}/sbin"/spark-daemon.sh stop org.apache.spark.deploy.worker.Worker 1
else
for ((i=0; i<$SPARK_WORKER_INSTANCES; i++)); do
"${SPARK_HOME}/sbin"/spark-daemon.sh stop org.apache.spark.deploy.worker.Worker $(( $i + 1 ))
done
fi
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