This is an automated email from the ASF dual-hosted git repository. nic pushed a commit to branch 2.6.x in repository https://gitbox.apache.org/repos/asf/kylin.git
commit 6d7cf0220a6dd24ea5661a973c475f6e552fbba9 Author: yangzheng10 <[email protected]> AuthorDate: Tue Dec 10 19:10:51 2019 +0800 KYLIN-4290 Add file lock to kylin startup script to avoid starting multiple instances on one node --- build/bin/kylin.sh | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/build/bin/kylin.sh b/build/bin/kylin.sh index d6a311e..00e545a 100755 --- a/build/bin/kylin.sh +++ b/build/bin/kylin.sh @@ -66,6 +66,14 @@ function retrieveStartCommand() { fi fi + lockfile=$KYLIN_HOME/LOCK + if [ ! -e $lockfile ]; then + trap "rm -f $lockfile; exit" INT TERM EXIT + touch $lockfile + else + quit "Kylin is starting, wait for it" + fi + source ${dir}/check-env.sh tomcat_root=${dir}/../tomcat @@ -130,6 +138,7 @@ if [ "$1" == "start" ] then retrieveStartCommand ${start_command} >> ${KYLIN_HOME}/logs/kylin.out 2>&1 & echo $! > ${KYLIN_HOME}/pid & + rm -f $lockfile echo "" echo "A new Kylin instance is started by $USER. To stop it, run 'kylin.sh stop'" @@ -142,6 +151,7 @@ elif [ "$1" == "run" ] then retrieveStartCommand ${start_command} + rm -f $lockfile # stop command elif [ "$1" == "stop" ]
