Hi, I was not using -server option. Now i changed it to -server option and also increased heap size to 512m. Still i have 100%CPU problem. When this problem occurs i can't access any page. I have to do a kill -9 on jvm and then restart the server. What should i try next.
Thanks in advance Ravi ----- Original Message ----- From: Jared Walker <[EMAIL PROTECTED]> Date: 09 Sep 2003 14:10:13 -0500 To: Tomcat Users List <[EMAIL PROTECTED]> Subject: RE: CPU usage 100% > Howdy, > > If it does it when there is no one accessing the server then I would > think its the JVM not tomcat. Check your JVM settings. If you're > starting up with the -server option I've noticed that the garbage > collection will show 100% cpu utilization even though the system > responds fine. This may be what you are experiencing. > > later, > -Jared > > On Tue, 2003-09-09 at 12:50, Shapira, Yoav wrote: > > Howdy, > > The SIGQUIT works for me even when CPU usage is 100%, so it's strange it > > doesn't work for you. (I'm on solaris though). > > > > One important thing to check is your JSP page; make sure you have no > > infinite loops or other such locks in the page. > > > > Yoav Shapira > > Millennium ChemInformatics > > > > > > >-----Original Message----- > > >From: Ravi Puthiyattil [mailto:[EMAIL PROTECTED] > > >Sent: Tuesday, September 09, 2003 1:36 PM > > >To: [EMAIL PROTECTED] > > >Subject: CPU usage 100% > > > > > >Hi all, > > > I am running Tomcat 4.1 on HPUX11.11, jdk1.4.1 running a small jsp > > page. > > >Tomcat hangs with 100% cpu after some time. I tried to do a kill > > >-SIGQUIT on the process, but there is no trace dump. Trace dump works > > >only when the cpu is not at 100% (or when tomcat is running > > >normally). I tried using glance and checked all the threads, most of > > >the threads are in wait state SYSTEM and 3 threads are in wait state > > >SLEEP. These 3 threads are the ones that have high CPU time. > > > I notice this behaviour even when no body is accessing web page. So > > >it looks like when it is idle for a while the CPU usage goes 100%. > > > I don't know how to debug next. I need some help in finding out why > > >and where the CPU goes nuts. Is there anything i need to change in > > >the config files ? Please help. > > > > > >Thanks in advance, > > > > > >Ravi > > > > > >-- > > >__________________________________________________________ > > >Sign-up for your own personalized E-mail at Mail.com > > >http://www.mail.com/?sr=signup > > > > > >CareerBuilder.com has over 400,000 jobs. Be smarter about your job > > search > > >http://corp.mail.com/careers > > > > > > > > >--------------------------------------------------------------------- > > >To unsubscribe, e-mail: [EMAIL PROTECTED] > > >For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > This e-mail, including any attachments, is a confidential business communication, > > and may contain information that is confidential, proprietary and/or privileged. > > This e-mail is intended only for the individual(s) to whom it is addressed, and > > may not be saved, copied, printed, disclosed or used by anyone else. If you are > > not the(an) intended recipient, please immediately delete this e-mail from your > > computer system and notify the sender. Thank you. > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > -- > Jared Walker <[EMAIL PROTECTED]> > ClickFind > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > -- __________________________________________________________ Sign-up for your own personalized E-mail at Mail.com http://www.mail.com/?sr=signup CareerBuilder.com has over 400,000 jobs. Be smarter about your job search http://corp.mail.com/careers --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
