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Re: Performance issue
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Re: Performance issue

  • Subject: Re: Performance issue
  • From: Chuck Hill <email@hidden>
  • Date: Tue, 15 Mar 2016 17:50:45 +0000
  • Thread-topic: Performance issue
And most of those ERXRemoteSynchronizer log messages are pretty far apart (minutes).  So I doubt this is what is causing the CPU spike.  The next time this happens try attaching a VisualVM (https://visualvm.java.net) or doing several iterations of 
sudo jstack –F <process ID>
And comparing what the threads are doing.

Chuck


From: <webobjects-dev-bounces+chill=email@hidden> on behalf of Ken Anderson <email@hidden>
Date: Tuesday, March 15, 2016 at 5:41 AM
To: Gerald Jones <email@hidden>
Cc: "email@hidden" <email@hidden>
Subject: Re: Performance issue

Gerald,

There are 2 different things happening here.  The session creation exception seems to be something you’re raising in your own code.  The lines below the exception relate to receiving changes made from other application instances.

You’re going to have to drill down to the problem a bit more before anyone on the list can help you.

Ken

On Mar 15, 2016, at 1:36 AM, Gerald Jones <email@hidden> wrote:

Aloha Group,
 
Can anyone explain to me what’s happening in these lines in our log file?  We are experiencing high application cpu% that seem to coincide with  this type of activity.  I’m not sure how to explain it.
 
METSAdmin-2
java.lang.RuntimeException: Session Created
        at com.mauishuttle.app.Session.<init>(Session.java:20)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at java.lang.Class.newInstance0(Class.java:355)
        at java.lang.Class.newInstance(Class.java:308)
        at com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:642)
        at com.webobjects.appserver.WOApplication.createSessionForRequest(WOApplication.java:1974)
        at er.extensions.appserver.ERXApplication.createSessionForRequest(ERXApplication.java:2361)
        at com.webobjects.appserver.WOApplication._initializeSessionInContext(WOApplication.java:2110)
        at com.webobjects.appserver.WOContext.session(WOContext.java:369)
        at com.webobjects.appserver.WOComponent.session(WOComponent.java:1324)
        at com.mauishuttle.components.Main.session(Main.java:59)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:636)
        at com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
        at com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1324)
        at com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:1736)
        at com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:447)
        at com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:216)
        at com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1804)
        at com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50)
        at com.webobjects.appserver.WOAssociation.booleanValueInComponent(WOAssociation.java:276)
        at er.extensions.components.conditionals.ERXWOConditional.conditionInComponent(ERXWOConditional.java:47)
        at er.extensions.components.conditionals.ERXWOConditional.meetsConditionInComponent(ERXWOConditional.java:52)
        at er.extensions.components.conditionals.ERXWOConditional.appendToResponse(ERXWOConditional.java:124)
        at com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
        at com.webobjects.appserver._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
        at com.webobjects.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
        at er.extensions.components.ERXComponent.appendToResponse(ERXComponent.java:195)
        at com.mauishuttle.components.wrappers.PageWrapper.appendToResponse(PageWrapper.java:36)
        at com.webobjects.appserver._private.WOComponentReference.appendToResponse(WOComponentReference.java:135)
        at com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
        at com.webobjects.appserver._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
        at com.webobjects.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
        at er.extensions.components.ERXComponent.appendToResponse(ERXComponent.java:195)
        at com.mauishuttle.components.pages.DashboardPage.appendToResponse(DashboardPage.java:42)
        at com.webobjects.appserver.WOComponent._appendPageToResponse(WOComponent.java:1574)
        at com.webobjects.appserver.WOComponent._generateResponseInContext(WOComponent.java:1543)
        at com.webobjects.appserver.WOComponent.generateResponse(WOComponent.java:1538)
        at com.webobjects.appserver._private.WOActionRequestHandler._handleRequest(WOActionRequestHandler.java:278)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:161)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:128)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:2112)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:2077)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:662)
Mar 14 16:04:02 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:04:19 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:04:37 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:04:38 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:06:54 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:09:03 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:48348
Mar 14 16:10:14 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:48348
Mar 14 16:10:14 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:48348
Mar 14 16:10:22 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:51459
Mar 14 16:16:11 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:51459
Mar 14 16:16:26 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:51459
Mar 14 16:16:30 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:51459
Mar 14 16:21:26 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 9 changes from 10.198.52.77:51459
Mar 14 16:25:10 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 9 changes from 10.198.52.77:51459
Mar 14 16:33:06 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:34:19 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:34:42 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:36:10 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:36:12 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:48348
Mar 14 16:36:12 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:48348
Mar 14 16:36:27 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:38:09 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:38:11 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:39:56 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:39:57 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:40:41 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:40:42 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:41:00 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:53157
Mar 14 16:41:01 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:41:45 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:53157
Mar 14 16:41:46 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:42:49 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:53157
Mar 14 16:42:50 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:43:05 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:53157
Mar 14 16:43:06 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:46:06 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:53157
Mar 14 16:46:07 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:48:14 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:48:14 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 16:52:10 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:48348
Mar 14 16:53:34 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:48348
Mar 14 16:53:34 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:48348
Mar 14 16:53:49 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 5 changes from 10.198.52.77:48348
Mar 14 16:53:50 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:48348
Mar 14 16:56:46 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:53157
Mar 14 16:57:19 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 16:59:40 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:48348
Mar 14 17:03:56 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:53157
Mar 14 17:06:48 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 9 changes from 10.198.52.77:48348
Mar 14 17:06:58 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 7 changes from 10.198.52.77:53157
Mar 14 17:13:43 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:48348
Mar 14 17:13:44 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:48348
Mar 14 17:15:21 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:53157
Mar 14 17:18:15 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:53157
Mar 14 17:18:38 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 5 changes from 10.198.52.77:53157
Mar 14 17:19:48 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:53157
Mar 14 17:20:22 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 17:20:25 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 3 changes from 10.198.52.77:53157
Mar 14 17:20:42 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 1 changes from 10.198.52.77:53157
Mar 14 17:22:50 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 2 changes from 10.198.52.77:53157
Mar 14 17:24:18 METSAdmin[2003] INFO  er.extensions.remoteSynchronizer.ERXRemoteSynchronizer  - Received 8 changes from 10.198.52.77:48348
 
 
I appreciate any and all input.
 
Mahalo,
Gerald
 
 
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