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A script for monitor zkserver
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#!/bin/bash | |
log="./zookeeper.out" | |
if [ -f "$log" ]; then | |
# unit(MB) | |
size=`du -sm "$log" | grep "$log" | awk '{print $1}'` | |
limit=300 | |
# split log | |
if [ $size -gt $limit ]; then | |
newlog="zookeeper-`date +%Y%m%d%H%M%S`.log" | |
cp $log $newlog | |
# delete the splitted log directly | |
rm -f $newlog | |
cat /dev/null > $log | |
fi | |
fi | |
# clear hanging zkMonitor | |
#killpids=`ps -ef | grep zookeeper | egrep "srvr|zkMonitor" | grep -v " $$ " | awk '{printf("kill -9 %d;\n", $2);}' ` | |
#if [ -n "$killpids" ]; then | |
# tmpfile="$$.sh" | |
# echo "$killpids" > $tmpfile | |
# `bash $tmpfile` | |
# rm $tmpfile | |
#fi | |
ps -ef | grep zookeeper | egrep "srvr|zkMonitor" | grep -v " $$ " | awk '{print $2}' | xargs kill -9 > /dev/null 2>&1 | |
# check zkserver status | |
result=`./zkServer.sh status` | |
status=`echo $result | grep "Mode" | awk -F: '{print $2}'` | |
if [ "$status" != "" ]; then | |
echo "zkserver is running, the role:$status" | |
# zkserver is running | |
exit 0 | |
fi | |
# zkserver may not work | |
line=`echo $result | grep "It is probably not running"` | |
if [ "$line" != "" ]; then | |
# check if zkserver process is existed | |
count=`ps -ef | grep zookeeper | grep zoo.cfg | wc -l` | |
if [ $count -eq 0 ]; then | |
# zk is not running | |
echo "start zkserver" | |
./zkServer.sh start | |
else | |
echo "zkserver is already running...but not work well, try to restart it" | |
ps -ef | grep "zoo.cfg" | grep -v grep | awk '{print $2}' | xargs kill -9 | |
./zkServer.sh start | |
fi | |
fi | |
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