The server has 2 GB physical memory and 4 GB swap file. During peak times I'm hitting between 60 and 75 requests per second and it is using pretty close to all of the memory. I've seen the JVM using ~ 830 MB watching top.
Thanks, Mike -----Original Message----- From: Kwok Peng Tuck [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 19, 2003 9:24 PM To: Tomcat Users List Subject: Re: maxProcessors problem If I may ask how much physical memory do you have in the first place ? Do you really have that much to give to the for the max heap size ? Mike Cherichetti (Renegade Internet) wrote: >I've set CATALINA_OPTS to use -Xmx896m and -Xms384m. That works fine with >maxProcessors set to 384. Problem is, if I set -Xmx higher or maxProcessors >higher, I get he OutOfMemoryError. > >Thanks, >Mike > >-----Original Message----- >From: Shapira, Yoav [mailto:[EMAIL PROTECTED] >Sent: Tuesday, August 19, 2003 9:12 AM >To: Tomcat Users List; [EMAIL PROTECTED] >Subject: RE: maxProcessors problem > > > >Howdy, >What's your -Xmx setting to the JVM? > >Yoav Shapira >Millennium ChemInformatics > > > > >>-----Original Message----- >>From: Mike Cherichetti (Renegade Internet) >>[mailto:[EMAIL PROTECTED] >>Sent: Monday, August 18, 2003 4:42 PM >>To: Tomcat Users >>Subject: maxProcessors problem >> >>First off, I'm using RedHat Linux 7.3, IBM JDK 1.4.1, and Tomcat 4.1.24 >> >> >on > > >>an IBM xSeries with Dual Xeon 2 GHz processors, 2 GB RAM, and SCSI >> >> >disks. > > >>I'm trying to get Tomcat to handle a lot of traffic (4-5 million hits >> >> >per > > >>day) and bumping up against a problem I for life of me can't figure >> >> >out. > > >>So, I'm hoping someone else on this list has run into this problem and >> >> >can > > >>help me out! >> >>Basically, I can't set maxProcessors higher than 384. If I do, Tomcat >> >> >ends > > >>up choking (it doesn't crash, it just stops creating more request >>processors) and I get the following in catalina.out: >> >>Aug 18, 2003 5:05:02 AM org.apache.coyote.http11.Http11Protocol start >>INFO: Starting Coyote HTTP/1.1 on port 80 >>Aug 18, 2003 5:05:05 AM >>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable run >>SEVERE: Caught exception executing >>[EMAIL PROTECTED], terminating thread >>java.lang.OutOfMemoryError: JVMCI015:OutOfMemoryError, cannot create >>anymore >>threads due to memory or resource constraints >> at java.lang.Thread.start(Native Method) >> at >>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.<init>(Thread >> >> >Pool > > >>. >>java:582) >> at >>org.apache.tomcat.util.threads.ThreadPool.openThreads(ThreadPool.java:4 >> >> >60) > > >> at >>org.apache.tomcat.util.threads.ThreadPool.runIt(ThreadPool.java:293) >> at >>org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:5 >> >> >36) > > >> at >>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPoo >> >> >l.ja > > >>v >>a:619) >> at java.lang.Thread.run(Thread.java:568) >> >>Now, I know that the JVM has plenty of memory left that it can be >> >> >allocated > > >>and the system has plenty of free memory, so I'm not sure it's really a >>memory issue. As I said, Tomcat still runs and the memory allocated to >> >> >the > > >>JVM increases, it just doesn't have nearly enough request processors >>created >>at the point this error happens to deal with all of the traffic. I've >>tried >>playing around with ulimit settings, but those didn't have any impact. >>I've >>also tried the Sun JVM and it did the same thing. >> >>Has anyone run into this problem or something like it before? >> >>Any help would be greatly appreciated! >> >>Thanks, >>Mike >> >> >> >> >>--------------------------------------------------------------------- >>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] > > > > > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
