RE: Tomcat causing high CPU load

2007-11-06 Thread Charlie Wingate
e level of thinking with which we created them. - Albert Einstein -Original Message- From: Caldarale, Charles R [mailto:[EMAIL PROTECTED] Sent: Tuesday, November 06, 2007 9:28 AM To: Tomcat Users List Subject: RE: Tomcat causing high CPU load > From: Andrew Miehs [mailto:[EMAIL PROTECTE

RE: Tomcat causing high CPU load

2007-11-06 Thread Caldarale, Charles R
> From: Andrew Miehs [mailto:[EMAIL PROTECTED] > Subject: Re: Tomcat causing high CPU load > > Kill -3 > ps auxwh The OP is running on Windows... - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intende

Re: Tomcat causing high CPU load

2007-11-06 Thread Leon Rosenberg
t; On 11/5/07, Caldarale, Charles R <[EMAIL PROTECTED]> wrote: > > > > From: Caldarale, Charles R > > > > Subject: RE: Tomcat causing high CPU load > > > > > > > > There are also some 3rd-party tools to take thread dumps of > > > > services (I

Re: Tomcat causing high CPU load

2007-11-06 Thread Andrew Miehs
Hi Bob, Kill -3 Will produce a stack trace in catalina.out This problem is VERY most probably your code, and not tomcat, but a stacktrace should show this. ps auxwh will also give you an indication, its probably just 1 thread pushing you to such a high load. As for "walking" through the cod

Re: Tomcat causing high CPU load

2007-11-05 Thread Peng Tuck Kwok
gards > Leon > > > On 11/5/07, Caldarale, Charles R <[EMAIL PROTECTED]> wrote: > > > From: Caldarale, Charles R > > > Subject: RE: Tomcat causing high CPU load > > > > > > There are also some 3rd-party tools to take thread dumps of &g

Re: Tomcat causing high CPU load

2007-11-05 Thread Leon Rosenberg
ubject: RE: Tomcat causing high CPU load > > > > There are also some 3rd-party tools to take thread dumps of > > services (I think JProbe does, for example). > > Also, Lambda Probe (www.lambdaprobe.org) can display stack traces, but > only one thread at a time. >

RE: Tomcat causing high CPU load

2007-11-05 Thread Caldarale, Charles R
> From: Caldarale, Charles R > Subject: RE: Tomcat causing high CPU load > > There are also some 3rd-party tools to take thread dumps of > services (I think JProbe does, for example). Also, Lambda Probe (www.lambdaprobe.org) can display stack traces, but only one thread at a

RE: Tomcat causing high CPU load

2007-11-05 Thread Caldarale, Charles R
> From: Sai Bobba [mailto:[EMAIL PROTECTED] > Subject: Re: Tomcat causing high CPU load > > I've searched the web for taking thread dumps Try searching the Tomcat mailing list archives (http://marc.info/?l=tomcat-user) as well. For Windows, run the process from a command pr

Re: Tomcat causing high CPU load

2007-11-05 Thread Sai Bobba
Many thanks. We've had several developers walk through the code to try to catch the possibity that the app may be sitting in a loop in some situations. The code seems ok, and, as I indicated, we've never been able to reproduce the situation. I've searched the web for taking thread dumps, as I don't

RE: Tomcat causing high CPU load

2007-11-04 Thread Caldarale, Charles R
> From: Sai Bobba [mailto:[EMAIL PROTECTED] > Subject: Tomcat causing high CPU load > > - Tomcat was responsible for this CPU > load almost exclusively You need to differentiate between Tomcat and the webapps running within, even though they are all running in the same process. It is highly li

Re: Tomcat causing high CPU load

2007-11-04 Thread Martin Gainty
what happens in jconsole over that period of time? M- - Original Message - From: "Sai Bobba" <[EMAIL PROTECTED]> To: Sent: Sunday, November 04, 2007 8:25 PM Subject: Tomcat causing high CPU load > Hi, > > I'm using the following: > > JDK1.5 > Tomcat 6 > SQL Server 2000 > Server running o