druid/examples/rand/run_server.sh

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#!/usr/bin/env bash
echo " run RealtimeStandaloneMain service in background"
set +u
shopt -s xpg_echo
shopt -s expand_aliases
trap "exit 1" 1 2 3 15
# props are set in src/main/resources/runtime.properties
echo "cleaning up previous run, if any"
/bin/rm -fr /tmp/rand_realtime
# check rand_realtime.spec exists
[ ! -e rand_realtime.spec ] && echo "expecting file rand_realtime.spec (as specified by property druid.realtime.specFile) to be in current directory" && exit 3
# start RealtimeNode process
#
java -Xmx400m -Duser.timezone=UTC -Dfile.encoding=UTF-8 -classpath target/druid-examples-rand-2.5.72-SNAPSHOT-selfcontained.jar druid.examples.RealtimeStandaloneMain >RealtimeNode.out 2>&1 &
PID=$!
trap "kill $PID" 1 2 3 15
sleep 4
grep druid.examples.RandomFirehoseFactory RealtimeNode.out | awk '{ print $7,$8,$9,$10,$11,$12,$13,$14,$15 }'
wait $PID
echo "RealtimeStandaloneMain finished"