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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.
#
bin=`dirname "$0"`
bin=`cd "$bin"; pwd`
. "$bin/spark-config.sh"
if [ -f "${SPARK_CONF_DIR}/spark-env.sh" ]; then
. "${SPARK_CONF_DIR}/spark-env.sh"
fi
# Find the port number for the master
if [ "$SPARK_MASTER_PORT" = "" ]; then
SPARK_MASTER_PORT=7077
fi
if [ "$SPARK_MASTER_IP" = "" ]; then
SPARK_MASTER_IP=`hostname`
fi
# Launch the slaves
if [ "$SPARK_WORKER_INSTANCES" = "" ]; then
exec "$bin/slaves.sh" cd "$SPARK_HOME" \; "$bin/start-slave.sh" 1 spark://$SPARK_MASTER_IP:$SPARK_MASTER_PORT
else
if [ "$SPARK_WORKER_WEBUI_PORT" = "" ]; then
SPARK_WORKER_WEBUI_PORT=8081
fi
for ((i=0; i<$SPARK_WORKER_INSTANCES; i++)); do
"$bin/slaves.sh" cd "$SPARK_HOME" \; "$bin/start-slave.sh" $(( $i + 1 )) spark://$SPARK_MASTER_IP:$SPARK_MASTER_PORT --webui-port $(( $SPARK_WORKER_WEBUI_PORT + $i ))
done
fi
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