RE: Tomcat consuming entire CPU.

2007-07-30 Thread Caldarale, Charles R
> From: Mark Stevens [mailto:[EMAIL PROTECTED] > Subject: Re: Tomcat consuming entire CPU. > > Every time I capture the thread using much higher percentage CPU than > all other threads, it's pointing to ' > > "VM Thread" prio=5 tid=0xb12f8 nid=0x4 run

Re: Tomcat consuming entire CPU.

2007-07-30 Thread Mark Stevens
Hi again, I think I've located the Thread that is consuming the CPU, although I'm none the wiser. Every time I capture the thread using much higher percentage CPU than all other threads, it's pointing to ' "VM Thread" prio=5 tid=0xb12f8 nid=0x4 runnable With no stack trace associated to it, is

Re: Tomcat consuming entire CPU.

2007-07-25 Thread Mark Stevens
Thanks very much all for the advice, I've managed to get my thread dumps nicely formatted side by side in HTML using TDAN (Thread Dump Analyzer) I'll work out how to then get thread ID's using 'ps' and then should be in business. I'm also going to speak with DBA about limiting Oracles(Database)

Re: Tomcat consuming entire CPU.

2007-07-24 Thread Juha Laiho
Mark Stevens wrote: > I don't think we are using sendfile, to be honest, I've had no > involvement in development of the code, I'm just requested to look > after the server. > > I'm going to try and work out how to read thread dumps, hopefully this > will help, I'm finding my X11 connection too sl

Re: Tomcat consuming entire CPU.

2007-07-24 Thread Mark Stevens
s being forced into swap. I'll crack on with investigations and post to group if I find anything worth sharing. Many thanks again, Mark. On 24/07/07, Caldarale, Charles R <[EMAIL PROTECTED]> wrote: > From: Mark Stevens [mailto:[EMAIL PROTECTED] > Subject: Tomcat consuming ent

RE: Tomcat consuming entire CPU.

2007-07-24 Thread Caldarale, Charles R
> From: Mark Stevens [mailto:[EMAIL PROTECTED] > Subject: Tomcat consuming entire CPU. > > My JRE:java version "1.3.1_14" You might want to try a JRE that is a bit more up to date than that. The 1.3.1 leg is up to _20 and even that is unsupported on everything other than

Re: Tomcat consuming entire CPU.

2007-07-24 Thread Chris Lear
* Mark Stevens wrote (24/07/07 11:32): Hi all, Sorry if this has been covered already in other posts, I'm fishing for some tips to debug an intermittent issue with Tomcat load. My JRE:java version "1.3.1_14" The server is running Oracle, Tomcat, Apache 2.2 and a Content Management System, Ope

Tomcat consuming entire CPU.

2007-07-24 Thread Mark Stevens
Hi all, Sorry if this has been covered already in other posts, I'm fishing for some tips to debug an intermittent issue with Tomcat load. My JRE:java version "1.3.1_14" The server is running Oracle, Tomcat, Apache 2.2 and a Content Management System, Operating system is Solaris 8 running on su