Hi, Most likely heap size is too low. Try to increase Xmx up to 4Gb or higher or avoid G1GC usage on small heaps as it is very sensitive to free heap memory.
Looks like you have Visor node (or may be web-console) in grid. Is OOM happened only when Visor attached to grid? On Fri, Mar 1, 2019 at 7:17 AM James Wang 王升平 (edvance CN) < [email protected]> wrote: > OS: 4C +8GB > Data Region = 4GB > > start command: > nohup $IGNITE_HOME/bin/ignite.sh -Xmx1024m -XX:+UseG1GC > -XX:MaxDirectMemorySize=1G grtip-config.xml > ignite.log 2>&1 & > > How to adjust the the memory tunning. > > [21:29:22,777][SEVERE][mgmt-#33519%234-236-237-241%][GridJobWorker] > Runtime error caught during grid runnable execution: GridJobWorker > [createTime=1551360450243, startTime=1551360453071, > finishTime=1551360483944, taskNode=TcpDiscoveryNode > [id=a7839266-6396-4f7c-9ef7-c3a4b2355782, addrs=[0:0:0:0:0:0:0:1%lo, > 127.0.0.1, 192.168.1.236], sockAddrs=[/192.168.1.236:47500, > /0:0:0:0:0:0:0:1%lo:47500, /127.0.0.1:47500], discPort=47500, order=56, > intOrder=31, lastExchangeTime=1551151457630, loc=false, > ver=2.7.0#20181201-sha1:256ae401, isClient=false], internal=true, > marsh=BinaryMarshaller [], ses=GridJobSessionImpl [ses=GridTaskSessionImpl > [taskName=o.a.i.i.v.service.VisorServiceTask, dep=GridDeployment > [ts=1551094729510, depMode=SHARED, > clsLdr=sun.misc.Launcher$AppClassLoader@764c12b6, > clsLdrId=3aef2742961-5a63d018-0eb4-493e-91a4-be6d41caff85, userVer=0, > loc=true, sampleClsName=o.a.i.i.processors.cache.CachesRegistry, > pendingUndeploy=false, undeployed=false, usage=0], > taskClsName=o.a.i.i.v.service.VisorServiceTask, > sesId=8a35b792961-a7839266-6396-4f7c-9ef7-c3a4b2355782, > startTime=1551360450899, endTime=9223372036854775807, > taskNodeId=a7839266-6396-4f7c-9ef7-c3a4b2355782, > clsLdr=sun.misc.Launcher$AppClassLoader@764c12b6, closed=false, > cpSpi=null, failSpi=null, loadSpi=null, usage=1, fullSup=false, > internal=true, topPred=ContainsNodeIdsPredicate [], > subjId=a7839266-6396-4f7c-9ef7-c3a4b2355782, mapFut=IgniteFuture > [orig=GridFutureAdapter [ignoreInterrupts=false, state=INIT, res=null, > hash=327805292]], execName=null], > jobId=9a35b792961-a7839266-6396-4f7c-9ef7-c3a4b2355782], > jobCtx=GridJobContextImpl > [jobId=9a35b792961-a7839266-6396-4f7c-9ef7-c3a4b2355782, timeoutObj=null, > attrs={}], dep=GridDeployment [ts=1551094729510, depMode=SHARED, > clsLdr=sun.misc.Launcher$AppClassLoader@764c12b6, > clsLdrId=3aef2742961-5a63d018-0eb4-493e-91a4-be6d41caff85, userVer=0, > loc=true, sampleClsName=o.a.i.i.processors.cache.CachesRegistry, > pendingUndeploy=false, undeployed=false, usage=0], finishing=true, > masterLeaveGuard=false, timedOut=false, sysCancelled=false, > sysStopping=false, isStarted=true, job=VisorServiceJob [], held=0, > partsReservation=null, reqTopVer=null, execName=null] > java.lang.OutOfMemoryError: GC overhead limit exceeded > [21:29:22,781][SEVERE][nio-acceptor-tcp-comm-#28%234-236-237-241%][] JVM > will be halted immediately due to the failure: [failureCtx=FailureContext > [type=CRITICAL_ERROR, err=java.lang.OutOfMemoryError: GC overhead limit > exceeded]] > [21:29:22,814][SEVERE][grid-timeout-worker-#23%234-236-237-241%][GridTimeoutProcessor] > Error when executing timeout callback: CancelableTask > [id=94ef2742961-0742c515-5b96-4aad-b07a-9f1ec60af5f3, > endTime=1551360514795, period=3000, cancel=false, task=MetricsUpdater > [prevGcTime=38806, prevCpuTime=2195727, > super=o.a.i.i.managers.discovery.GridDiscoveryManager$MetricsUpdater@73766331 > ]] > java.lang.OutOfMemoryError: GC overhead limit exceeded > > > James Wang / edvance > Mobile/WeChat: +86 135 1215 1134 > > This message contains information that is deemed confidential and > privileged. Unless you are the addressee (or authorized to receive for the > addressee), you may not use, copy or disclose to anyone the message or any > information contained in the message. If you have received the message in > error, please advise the sender by reply e-mail and delete the message. > -- Best regards, Andrey V. Mashenkov
