the-tree/sbin/stop-slave.sh

0001 #!/usr/bin/env bash
0002
0003 #
0004 # Licensed to the Apache Software Foundation (ASF) under one or more
0005 # contributor license agreements.  See the NOTICE file distributed with
0006 # this work for additional information regarding copyright ownership.
0007 # The ASF licenses this file to You under the Apache License, Version 2.0
0008 # (the "License"); you may not use this file except in compliance with
0009 # the License.  You may obtain a copy of the License at
0010 #
0011 #    http://www.apache.org/licenses/LICENSE-2.0
0012 #
0013 # Unless required by applicable law or agreed to in writing, software
0014 # distributed under the License is distributed on an "AS IS" BASIS,
0015 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0016 # See the License for the specific language governing permissions and
0017 # limitations under the License.
0018 #
0019
0020 # A shell script to stop all workers on a single slave
0021 #
0022 # Environment variables
0023 #
0024 #   SPARK_WORKER_INSTANCES The number of worker instances that should be
0025 #                          running on this slave.  Default is 1.
0026
0027 # Usage: stop-slave.sh
0028 #   Stops all slaves on this worker machine
0029
0030 if [ -z "${SPARK_HOME}" ]; then
0031   export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
0032 fi
0033
0034 . "${SPARK_HOME}/sbin/spark-config.sh"
0035
0036 . "${SPARK_HOME}/bin/load-spark-env.sh"
0037
0038 if [ "$SPARK_WORKER_INSTANCES" = "" ]; then
0039   "${SPARK_HOME}/sbin"/spark-daemon.sh stop org.apache.spark.deploy.worker.Worker 1
0040 else
0041   for ((i=0; i<$SPARK_WORKER_INSTANCES; i++)); do
0042     "${SPARK_HOME}/sbin"/spark-daemon.sh stop org.apache.spark.deploy.worker.Worker $(( $i + 1 ))
0043   done
0044 fi