bd232b98b4
## What changes were proposed in this pull request? updated the usage message in sbin/start-slave.sh. <masterURL> argument moved to first ## How was this patch tested? tested locally with Starting master starting slave with (./start-slave.sh spark://<IP>:<PORT> -c 1 and opening spark shell with ./spark-shell --master spark://<IP>:<PORT> Closes #24974 from shivusondur/jira28164. Authored-by: shivusondur <shivusondur@gmail.com> Signed-off-by: Sean Owen <sean.owen@databricks.com>
93 lines
3.1 KiB
Bash
Executable file
93 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Starts a slave on the machine this script is executed on.
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#
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# Environment Variables
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#
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# SPARK_WORKER_INSTANCES The number of worker instances to run on this
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# slave. Default is 1.
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# SPARK_WORKER_PORT The base port number for the first worker. If set,
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# subsequent workers will increment this number. If
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# unset, Spark will find a valid port number, but
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# with no guarantee of a predictable pattern.
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# SPARK_WORKER_WEBUI_PORT The base port for the web interface of the first
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# worker. Subsequent workers will increment this
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# number. Default is 8081.
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if [ -z "${SPARK_HOME}" ]; then
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export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
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fi
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# NOTE: This exact class name is matched downstream by SparkSubmit.
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# Any changes need to be reflected there.
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CLASS="org.apache.spark.deploy.worker.Worker"
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if [[ $# -lt 1 ]] || [[ "$@" = *--help ]] || [[ "$@" = *-h ]]; then
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echo "Usage: ./sbin/start-slave.sh <master> [options]"
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pattern="Usage:"
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pattern+="\|Using Spark's default log4j profile:"
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pattern+="\|Started daemon with process name"
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pattern+="\|Registered signal handler for"
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"${SPARK_HOME}"/bin/spark-class $CLASS --help 2>&1 | grep -v "$pattern" 1>&2
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exit 1
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fi
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. "${SPARK_HOME}/sbin/spark-config.sh"
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. "${SPARK_HOME}/bin/load-spark-env.sh"
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# First argument should be the master; we need to store it aside because we may
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# need to insert arguments between it and the other arguments
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MASTER=$1
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shift
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# Determine desired worker port
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if [ "$SPARK_WORKER_WEBUI_PORT" = "" ]; then
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SPARK_WORKER_WEBUI_PORT=8081
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fi
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# Start up the appropriate number of workers on this machine.
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# quick local function to start a worker
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function start_instance {
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WORKER_NUM=$1
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shift
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if [ "$SPARK_WORKER_PORT" = "" ]; then
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PORT_FLAG=
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PORT_NUM=
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else
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PORT_FLAG="--port"
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PORT_NUM=$(( $SPARK_WORKER_PORT + $WORKER_NUM - 1 ))
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fi
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WEBUI_PORT=$(( $SPARK_WORKER_WEBUI_PORT + $WORKER_NUM - 1 ))
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"${SPARK_HOME}/sbin"/spark-daemon.sh start $CLASS $WORKER_NUM \
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--webui-port "$WEBUI_PORT" $PORT_FLAG $PORT_NUM $MASTER "$@"
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}
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if [ "$SPARK_WORKER_INSTANCES" = "" ]; then
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start_instance 1 "$@"
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else
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for ((i=0; i<$SPARK_WORKER_INSTANCES; i++)); do
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start_instance $(( 1 + $i )) "$@"
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done
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fi
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