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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.
#
# Starts a slave instance on each machine specified in the conf/slaves file.
if [ -z "${SPARK_HOME}" ]; then
export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
fi
. "${SPARK_HOME}/sbin/spark-config.sh"
. "${SPARK_HOME}/bin/load-spark-env.sh"
# Find the port number for the master
if [ "$SPARK_MASTER_PORT" = "" ]; then
SPARK_MASTER_PORT=7077
fi
if [ "$SPARK_MASTER_HOST" = "" ]; then
case `uname` in
(SunOS)
SPARK_MASTER_HOST="`/usr/sbin/check-hostname | awk '{print $NF}'`"
;;
(*)
SPARK_MASTER_HOST="`hostname -f`"
;;
esac
fi
# Launch the slaves
"${SPARK_HOME}/sbin/slaves.sh" cd "${SPARK_HOME}" \; "${SPARK_HOME}/sbin/start-slave.sh" "spark://$SPARK_MASTER_HOST:$SPARK_MASTER_PORT"
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