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-Original Message-
From: karthikn [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 4 June 2008 10:16 PM
To: Tomcat Users List
Subject: Re: JMX Perform GC TOMCAT 5.5.23
Hi
On a simulator System (same as Production
From: Michael Simmons [mailto:[EMAIL PROTECTED]
Subject: RE: JMX Perform GC TOMCAT 5.5.23
So.. giving the JVM many 1000s of times the space taken by
live objects (even under very high load) is a waste.
Not at all. Having lots of room for short-lived object creation extends the
time between
Hi
Jconsole in jdk1.6 has an button called Perform GC under MEMORY Tab
For a Production and Live version Tomcat , Can i hook Jconsole via JMX
on the tomcat and force GC process in REMOTE Mode...
Is this permitted or not ?
JMX used as per
From: karthikn [mailto:[EMAIL PROTECTED]
Subject: JMX Perform GC TOMCAT 5.5.23
For a Production and Live version Tomcat, Can i hook
Jconsole via JMX on the tomcat and force GC process in
REMOTE Mode...
Is this permitted or not ?
Depends on what you mean by permitted. It certainly works
supported JDK1.6 bing the culprit for the same
with regards
Karthik
Caldarale, Charles R wrote:
From: karthikn [mailto:[EMAIL PROTECTED]
Subject: JMX Perform GC TOMCAT 5.5.23
For a Production and Live version Tomcat, Can i hook
Jconsole via JMX on the tomcat and force GC process in
REMOTE Mode
From: karthikn [mailto:[EMAIL PROTECTED]
Subject: Re: JMX Perform GC TOMCAT 5.5.23
Reason : We have a Production TOMCAT 5.5.23 where in CPU
Utilization for JAVA is going 100% ,
And for some reason you think a GC will fix that?
This Tomcat needs to be restarted started every 12+ hrs
We
able to
Caldarale, Charles R wrote:
From: karthikn [mailto:[EMAIL PROTECTED]
Subject: Re: JMX Perform GC TOMCAT 5.5.23
Reason : We have a Production TOMCAT 5.5.23 where in CPU
Utilization for JAVA is going 100% ,
And for some reason you think a GC will fix that?
This Tomcat needs
karthikn wrote:
On a simulator System (same as Production ) with JMeter Load test
performance was good and CPU utilization was not beyond 40% for
900+ users
But for the same application in Production,
We notice Constantly JAVA is 100% CPU utilization.
Any Ideas ?
Your jmeter load
From: karthikn [mailto:[EMAIL PROTECTED]
Subject: Re: JMX Perform GC TOMCAT 5.5.23
But for the same application in Production,
We notice Constantly JAVA is 100% CPU utilization.
Which just demonstrates that your test environment is not 100% comprehensive
(which, admittedly, is almost
On 04/06/2008, at 4:15 PM, karthikn wrote:
We notice Constantly JAVA is 100% CPU utilization.
I am coming in late on this - what OS are u running?
How are you seeing the 100% CPU utilization, with top?
If you have a multiprocessor machine, you may find that top always
shows 100% when
: karthikn [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 4 June 2008 10:16 PM
To: Tomcat Users List
Subject: Re: JMX Perform GC TOMCAT 5.5.23
Hi
On a simulator System (same as Production ) with JMeter Load test
performance was good and CPU utilization was not beyond 40% for 900+
users
From: Michael Simmons [mailto:[EMAIL PROTECTED]
Subject: RE: JMX Perform GC TOMCAT 5.5.23
Allocating more memory to the JVM isn't always best.
Although it means the GC runs less often it causes it to take
longer to run. Ie large pauses.
Another myth that won't die. Although it was true
Users List
Subject: RE: JMX Perform GC TOMCAT 5.5.23
From: Michael Simmons [mailto:[EMAIL PROTECTED]
Subject: RE: JMX Perform GC TOMCAT 5.5.23
Allocating more memory to the JVM isn't always best.
Although it means the GC runs less often it causes it to take longer
to run. Ie large pauses
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