Hi All, Im running a 3 zookeeper process and noticed all 3 zookeeper process is listening on one unknown random port.
Can someone please help me to understand why is this port used for ? This port not handling any connections and all the 3 zookeeper has different port number. Node1 -> has 1 zookeeper (z1) node2 -> has 2 zookeeper (z3 & z3) server.1=z1.zookeeper.com:2888:3888 server.2=z2.zookeeper.com:2888:3888 server.3=z3.zookeeper.com:2889:3889 ****************** Node1 - z1 ********************* Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT Clients: /192.168.2.116:53028[1](queued=0,recved=173,sent=173) /192.168.2.27:38375[1](queued=0,recved=175,sent=175) /192.168.2.28:42044[1](queued=0,recved=161,sent=161) /192.168.2.116:55142[0](queued=0,recved=1,sent=0) /192.168.2.216:50024[1](queued=0,recved=176,sent=176) Latency min/avg/max: 0/149/14357 Received: 1765 Sent: 1753 Connections: 5 Outstanding: 0 Zxid: 0x1000016b8 Mode: follower Node count: 216 ****************** Node2 - z2 ********************* Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT Clients: /192.168.2.17:45103[1](queued=0,recved=195,sent=195) /192.168.2.18:38099[1](queued=0,recved=176,sent=176) /192.168.2.116:60666[0](queued=0,recved=1,sent=0) Latency min/avg/max: 0/308/21523 Received: 9680 Sent: 9499 Connections: 3 Outstanding: 0 Zxid: 0x1000016b8 Mode: leader Node count: 216 ****************** Node2 - z3 ********************* Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT Clients: /192.168.2.116:47141[0](queued=0,recved=1,sent=0) Latency min/avg/max: 0/0/0 Received: 13 Sent: 12 Connections: 1 Outstanding: 0 Zxid: 0x1000016b8 Mode: follower Node count: 216 *************************************** z1 - ports # netstat -anp | grep 15643 | grep LISTEN tcp6 0 0 :::36895 :::* LISTEN 15643/java tcp6 0 0 :::2181 :::* LISTEN 15643/java tcp6 0 0 169.254.2.116:3888 :::* LISTEN 15643/java z2 - ports # netstat -anp | grep 21235 | grep LISTEN tcp6 0 0 :::2181 :::* LISTEN 21235/java tcp6 0 0 :::40037 :::* LISTEN 21235/java tcp6 0 0 169.254.2.216:2888 :::* LISTEN 21235/java tcp6 0 0 169.254.2.216:3888 :::* LISTEN 21235/java z3 - ports <Perf_VSEPx SYS_CTRLI1> root@sysctrl2:~# netstat -anp | grep 40497 | grep LISTEN tcp6 0 0 :::2182 :::* LISTEN 40497/java tcp6 0 0 169.254.2.1:3889 :::* LISTEN 40497/java tcp6 0 0 :::42455 :::* LISTEN 40497/java Here "z1,z2,z3" are listening on "36895, 40037 & 42455" port respectively which has not been configured. Thanks. Regards, Mazhar Shaikh.
