Hi Mazhar, I doubt the possibility of jmx remote monitoring random port. Did you configure environment variable JMXPORT to avoid random port ?
Rakesh On Wed, Aug 31, 2016 at 4:06 PM, Mazhar Shaikh <mazhar.shaikh...@gmail.com> wrote: > 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. >