question zookeper - Too many connections in Support Questions

question zookeper - Too many connections in Support Questions https://community.cloudera.com/t5/Support-Questions/zookeper-Too-many-connections/m-p/220348#M182233 in the zoo logs we get the following warning :we also get disconnecting issues from zookeper , is it possible to increase the "60" value?what should be the ressolution for this ?<PRE>Too many connections from /10.54.23.11 - max is 60 </PRE><img src="https://community.cloudera.com/t5/image/serverpage/image-id/15894i98AD2504E6C74238/image-size/medium?v=v2&px=400" role="button" title="76628-capture.png" alt="76628-capture.png" />from zoo log:<PRE>2018-06-12 06:31:56,901 - ERROR [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory$1@44] - Thread Thread[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181,5,main] died java.lang.OutOfMemoryError: Java heap space at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) at java.nio.ByteBuffer.allocate(ByteBuffer.java:335) at org.apache.zookeeper.server.NIOServerCnxn.readLength(NIOServerCnxn.java:934) at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:237) at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208) at java.lang.Thread.run(Thread.java:745</PRE> <PRE>2018-06-12 06:18:16,687 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /10.164.46.204:52745 which had sessionid 0x163f299c1e20003 2018-06-12 06:18:16,687 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:Learner@108] - Revalidating client: 0x163f299c1e20003 2018-06-12 06:18:16,688 - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@617] - Established session 0x163f299c1e20003 with negotiated timeout 40000 for client /10.164.46.204:52835 2018-06-12 06:18:16,878 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:17,550 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /10.164.46.170:42523 2018-06-12 06:18:17,550 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@861] - Client attempting to renew session 0x163f299c1e20004 at /10.54.23.12:42523 2018-06-12 06:18:17,550 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /10.164.46.170:42495 which had sessionid 0x163f299c1e20004 2018-06-12 06:18:17,551 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:Learner@108] - Revalidating client: 0x163f299c1e20004 2018-06-12 06:18:17,552 - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@617] - Established session 0x163f299c1e20004 with negotiated timeout 40000 for client /10.164.46.170:42523 2018-06-12 06:18:18,296 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:19,695 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:21,042 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:21,761 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:22,408 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:23,561 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 2018-06-12 06:18:24,192 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /10.54.23.11 - max is 60 ^C [root@master01 zookeeper]# host 10.54.23.11 169.46.164.10.in-addr.arpa domain name pointer master01.sys76.com.</PRE> Sun, 18 Aug 2019 02:29:26 GMT mike_bronson7 2019-08-18T02:29:26Z