HI All We are using Ignite 2.8.1 and carrying the endurance test lasting for 7 to 12 hours. Test ran for almost 6 hours and all of a sudden clients got disconnected and seeing the below logs what could be the reason for this behavior, we have enough resources like RAM, CPU during that time
[2021-06-03 00:08:08,172][WARN ][tcp-disco-msg-worker-[8761dfbe 10.119.10.63:47500]-#2][root] Possible failure suppressed accordingly to a configured handler [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, super=AbstractFailureHandler [ignoredFailureTypes=UnmodifiableSet [SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], failureCtx=FailureContext [type=SYSTEM_WORKER_BLOCKED, err=class o.a.i.IgniteException: GridWorker [name=grid-timeout-worker, igniteInstanceName=null, finished=false, heartbeatTs=1622664488170]]] class org.apache.ignite.IgniteException: GridWorker [name=grid-timeout-worker, igniteInstanceName=null, finished=false, heartbeatTs=1622664488170] at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance$3.apply(IgnitionEx.java:1810) at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance$3.apply(IgnitionEx.java:1805) at org.apache.ignite.internal.worker.WorkersRegistry.onIdle(WorkersRegistry.java:234) at org.apache.ignite.internal.util.worker.GridWorker.onIdle(GridWorker.java:297) at org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.lambda$new$0(ServerImpl.java:2858) at org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorker.body(ServerImpl.java:7759) at org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.body(ServerImpl.java:2946) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorkerThread.body(ServerImpl.java:7697) at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:61) [2021-06-03 00:08:08,172][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:45160] [2021-06-03 00:08:08,172][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:35382] [2021-06-03 00:08:08,174][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:60720] [2021-06-03 00:08:08,174][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:54156] [2021-06-03 00:08:08,174][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:55260] [2021-06-03 00:08:08,174][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:32804] [2021-06-03 00:08:08,174][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:54822] [2021-06-03 00:08:08,175][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:60692] [2021-06-03 00:08:08,175][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:45316] Thread=[name=auth-#47, id=92], state=WAITING Locked pages = [] Locked pages log: name=auth-#47 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=checkpoint-runner-#65, id=112], state=WAITING Locked pages = [] Locked pages log: name=checkpoint-runner-#65 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=checkpoint-runner-#66, id=113], state=WAITING Locked pages = [] Locked pages log: name=checkpoint-runner-#66 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=checkpoint-runner-#67, id=114], state=WAITING Locked pages = [] Locked pages log: name=checkpoint-runner-#67 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=checkpoint-runner-#68, id=115], state=WAITING Locked pages = [] Thread=[name=checkpoint-runner-#68, id=115], state=WAITING Locked pages = [] Locked pages log: name=checkpoint-runner-#68 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#72, id=123], state=BLOCKED Locked pages = [] Locked pages log: name=client-connector-#72 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#73, id=124], state=BLOCKED Locked pages = [] Locked pages log: name=client-connector-#73 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#74, id=125], state=BLOCKED Locked pages = [] Locked pages log: name=client-connector-#74 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#75, id=126], state=BLOCKED Locked pages = [] Locked pages log: name=client-connector-#75 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#76, id=127], state=TIMED_WAITING Locked pages = [] Locked pages log: name=client-connector-#76 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#77, id=128], state=BLOCKED Locked pages = [] Locked pages log: name=client-connector-#77 time=(1622664488172, 2021-06-03 00:08:08.172) Thread=[name=client-connector-#78, id=129], state=BLOCKED Locked pages = [] Locked pages log: name=client-connector-#78 time=(1622664488172, 2021-06-03 00:08:08.172) [2021-06-03 00:08:08,200][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:59602] [2021-06-03 00:08:08,200][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:2777] [2021-06-03 00:08:08,200][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:60204] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:37974] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:59656] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:42268] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:50748] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:60798] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:40992] [2021-06-03 00:08:08,201][WARN ][grid-timeout-worker-#23][ClientListenerNioListener] Unable to perform handshake within timeout [timeout=240000, remoteAddr=/10.129.4.13:37972] These is our configuration looks like <property name="communicationSpi"> <bean class="org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi"> <property name="socketWriteTimeout" value="60000"/> </bean> </property> <property name="failureDetectionTimeout" value="60000" /> <property name="clientFailureDetectionTimeout" value="240000" /> <property name="networkTimeout" value="60000" /> <property name="failoverSpi"> <bean class="org.apache.ignite.spi.failover.always.AlwaysFailoverSpi"> <property name="maximumFailoverAttempts" value="5"/> </bean> </property> <property name="clientConnectorConfiguration"> <bean class="org.apache.ignite.configuration.ClientConnectorConfiguration"> <property name="sslEnabled" value="true"/> <property name="handshakeTimeout" value="240000" /> </bean> </property> <property name="loadBalancingSpi"> <bean class="org.apache.ignite.spi.loadbalancing.roundrobin.RoundRobinLoadBalancingSpi"> <property name="perTask" value="true"/> </bean> </property> Rest of the numbers like system, checkpoint threadpool etc are defaults only WOuld be great if there are pointers towards this issue Thanks Naveen -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/