shenyue created FLINK-31282: ------------------------------- Summary: Create and Close the zookeeper connection frequently Key: FLINK-31282 URL: https://issues.apache.org/jira/browse/FLINK-31282 Project: Flink Issue Type: Bug Components: Client / Job Submission Affects Versions: 1.16.0 Reporter: shenyue
When I use sql " *select * from table* " , I found there are a lot logs about zookeeper connection Information. There is *critical* for Zookeeper ,because *the Connection* is *create and close frequently* [ 2023-03-01 19:38:38.423 INFO (Thread-262) [ ] o.a.f.r.l.DefaultLeaderRetrievalService Starting DefaultLeaderRetrievalServic e with ZookeeperLeaderRetrievalDriver\{connectionInformationPath='/leader/rest_server/connection_info'}. 2023-03-01 19:38:38.424 INFO (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn Socket connection established, initiating session, client: /10.121.65.53:58428, server: node53.hde.com/10.121.65.53:2181 2023-03-01 19:38:38.427 INFO (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn Session establishm ent complete on server node53.hde.com/10.121.65.53:2181, session id = 0x10000038726412a, negotiated timeout = 60000 2023-03-01 19:38:38.427 INFO (Thread-262-EventThread) [ ] o.a.f.s.c.o.a.c.f.s.ConnectionStateManager State change: CONNECTE D 2023-03-01 19:38:38.430 INFO (Thread-262-EventThread) [ ] o.a.f.s.c.o.a.c.f.i.EnsembleTracker New config event received: {s erver.1=node53.hde.com:2888:3888:participant, version=0, server.3=node55.hde.com:2888:3888:participant, server.2=node54.hde.co m:2888:3888:participant} 2023-03-01 19:38:38.431 INFO (Thread-262-EventThread) [ ] o.a.f.s.c.o.a.c.f.i.EnsembleTracker New config event received: {s erver.1=node53.hde.com:2888:3888:participant, version=0, server.3=node55.hde.com:2888:3888:participant, server.2=node54.hde.co m:2888:3888:participant} 2023-03-01 19:38:38.700 INFO (ForkJoinPool.commonPool-worker-11) [ ] o.a.f.r.l.DefaultLeaderRetrievalService Stopping Defau ltLeaderRetrievalService. 2023-03-01 19:38:38.700 INFO (ForkJoinPool.commonPool-worker-11) [ ] o.a.f.r.l.ZooKeeperLeaderRetrievalDriver Closing Zooke eperLeaderRetrievalDriver\{connectionInformationPath='/leader/rest_server/connection_info'}. 2023-03-01 19:38:38.702 INFO (Curator-Framework-0) [ ] o.a.f.s.c.o.a.c.f.i.CuratorFrameworkImpl backgroundOperationsLoop ex iting 2023-03-01 19:38:38.708 WARN (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn An exception was t hrown while closing send thread for session 0x10000038726412a. org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable to read additional data from s erver sessionid 0x10000038726412a, likely server has closed socket at org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) ~[fli nk-shaded-zookeeper-3.6.3.jar:3.6.3-15.0] at org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:35 0) ~[flink-shaded-zookeeper-3.6.3.jar:3.6.3-15.0] at org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1290) [flink-shad ed-zookeeper-3.6.3.jar:3.6.3-15.0] 2023-03-01 19:38:38.810 INFO (Thread-262-EventThread) [ ] o.a.f.s.z.o.a.z.ClientCnxn EventThread shut down for session: 0x1 0000038726412a 2023-03-01 19:38:38.810 INFO (ForkJoinPool.commonPool-worker-11) [ ] o.a.f.s.z.o.a.z.ZooKeeper Session: 0x10000038726412a c losed 2023-03-01 19:38:38.813 INFO (Thread-262) [ ] o.a.f.r.u.ZooKeeperUtils Enforcing default ACL for ZK connections 2023-03-01 19:38:38.813 INFO (Thread-262) [ ] o.a.f.r.u.ZooKeeperUtils Using '/flink/application_1677479737242_0025' as Zoo keeper namespace. 2023-03-01 19:38:38.814 INFO (Thread-262) [ ] o.a.f.s.c.o.a.c.f.i.CuratorFrameworkImpl Starting 2023-03-01 19:38:38.814 INFO (Thread-262) [ ] o.a.f.s.z.o.a.z.ZooKeeper Initiating client connection, connectString=node54. hde.com:2181,node55.hde.com:2181,node53.hde.com:2181 sessionTimeout=60000 watcher=org.apache.flink.shaded.curator5.org.apache. curator.ConnectionState@74e5bc14 2023-03-01 19:38:38.814 INFO (Thread-262) [ ] o.a.f.s.z.o.a.z.ClientCnxnSocket jute.maxbuffer value is 1048575 Bytes 2023-03-01 19:38:38.814 INFO (Thread-262) [ ] o.a.f.s.z.o.a.z.ClientCnxn zookeeper.request.timeout value is 0. feature enab led=false 2023-03-01 19:38:38.815 INFO (Thread-262) [ ] o.a.f.s.c.o.a.c.f.i.CuratorFrameworkImpl Default schema 2023-03-01 19:38:38.815 INFO (Thread-262) [ ] o.a.f.r.l.DefaultLeaderRetrievalService Starting DefaultLeaderRetrievalServic e with ZookeeperLeaderRetrievalDriver\{connectionInformationPath='/leader/rest_server/connection_info'}. 2023-03-01 19:38:38.817 INFO (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn Opening socket con nection to server node53.hde.com/10.121.65.53:2181. 2023-03-01 19:38:38.817 INFO (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn SASL config status : Will not attempt to authenticate using SASL (unknown error) 2023-03-01 19:38:38.817 INFO (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn Socket connection established, initiating session, client: /10.121.65.53:58432, server: node53.hde.com/10.121.65.53:2181 2023-03-01 19:38:38.821 INFO (Thread-262-SendThread(node53.hde.com:2181)) [ ] o.a.f.s.z.o.a.z.ClientCnxn Session establishm ent complete on server node53.hde.com/10.121.65.53:2181, session id = 0x10000038726412b, negotiated timeout = 60000 2023-03-01 19:38:38.821 INFO (Thread-262-EventThread) [ ] o.a.f.s.c.o.a.c.f.s.ConnectionStateManager State change: CONNECTE D 2023-03-01 19:38:38.824 INFO (Thread-262-EventThread) [ ] o.a.f.s.c.o.a.c.f.i.EnsembleTracker New config event received: {s erver.1=node53.hde.com:2888:3888:participant, version=0, server.3=node55.hde.com:2888:3888:participant, server.2=node54.hde.co m:2888:3888:participant} ] -- This message was sent by Atlassian Jira (v8.20.10#820010)