001_下线zk集群

一、查看都谁用着zookeeper

目前一共两种方式

(1)netstat的TCP/IP的State查看zk连接

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sudo netstat -an|egrep "10.0.138.135:2181"|grep "ESTABLISHED" tcp        0      0 10.0.138.135:2181       10.0.134.180:58119      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.136.110:24589      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.135.125:26141      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.134.146:55371      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.134.180:58097      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.134.180:58098      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.136.110:24572      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.130.130:21403      ESTABLISHED tcp        0      0 10.0.138.135:2181       10.0.134.146:55413      ESTABLISHED   sudo netstat -an|egrep "10.0.138.135:2181"|grep "TIME_WAIT" tcp        0      0 10.0.138.135:2181       10.0.134.146:59087      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59022      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59099      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59013      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59101      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59231      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59159      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59198      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59254      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59046      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59074      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59116      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:59232      TIME_WAIT tcp        0      0 10.0.138.135:2181       10.0.134.146:58971      TIME_WAIT

(2)用stat命令查看

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1	echo stat|nc localhost 2181

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Zookeeper version: 3.4.9-1757313, built on 08/23/2016 06:50 GMT Clients:    #这里的Clients连接正好等于"ESTABLISHED"状态的ip /10.0.136.110:24589[1](queued=0,recved=284422,sent=284479) /10.0.130.130:21403[1](queued=0,recved=284414,sent=284471) /10.0.134.180:58098[1](queued=0,recved=284514,sent=284571) /10.0.134.180:58119[1](queued=0,recved=284474,sent=284531) /10.0.135.125:26141[1](queued=0,recved=284455,sent=284512) /10.0.136.110:24572[1](queued=0,recved=284401,sent=284458) /10.0.134.146:55371[1](queued=0,recved=284476,sent=284533) /10.0.134.180:58097[1](queued=0,recved=284495,sent=284552) /10.0.134.146:55413[1](queued=0,recved=284497,sent=284554)

(3)从zookeeper的supervisorctl的日志输出/data/log/zookeeper路径文件running.log可以看出没有session建立进行数据传输了,虽然还有连接在(执行上边的两个步骤看到还有连接)

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2017-07-14 23:20:37,110 [myid:9] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:45816 2017-07-14 23:20:37,110 [myid:9] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@827] - Processing mntr command from /127.0.0.1:45816 2017-07-14 23:20:37,139 [myid:9] - INFO  [Thread-3193360:NIOServerCnxn@1008] - Closed socket connection for client /127.0.0.1:45816 (no session established for client) 2017-07-14 23:20:42,146 [myid:9] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:45843 2017-07-14 23:20:42,146 [myid:9] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@827] - Processing mntr command from /127.0.0.1:45843 2017-07-14 23:20:42,173 [myid:9] - INFO  [Thread-3193361:NIOServerCnxn@1008] - Closed socket connection for client /127.0.0.1:45843 (no session established for client) 2017-07-14 23:20:47,180 [myid:9] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:45875

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2017-07-14 23:27:13,268 [myid:7] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:53032 2017-07-14 23:27:13,268 [myid:7] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@827] - Processing mntr command from /127.0.0.1:53032 2017-07-14 23:27:13,295 [myid:7] - INFO  [Thread-3193611:NIOServerCnxn@1008] - Closed socket connection for client /127.0.0.1:53032 (no session established for client) 2017-07-14 23:27:18,301 [myid:7] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:53060 2017-07-14 23:27:18,301 [myid:7] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@827] - Processing mntr command from /127.0.0.1:53060 2017-07-14 23:27:18,328 [myid:7] - INFO  [Thread-3193612:NIOServerCnxn@1008] - Closed socket connection for client /127.0.0.1:53060 (no session established for client)

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