ZK进程监控

在网上找到如下方案，监控 zk 的进程，如果进程不在，就重启 zk。
有种情况解决不了：当 zk 僵死的时候，进程还在，但是存在很多 CLOSE_WAIT 的 tcp 连接，导致 zk 连接不上！

#!/bin/sh
 
while true;
do
    time1=$(date)
    echo $time1
    count=`ps -ef|grep zookeeper | grep -v grep`
    if [ "$?" != "0" ];then
        echo  ">>>>zookeeper has shutdown"
        echo  ">>>>restart zookeeper now !"
        sh zkServer.sh start
    else
        echo ">>>>zookeeper is runing..."
    fi
    sleep 60
done

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