Hi Eric, Just wondering, what tools do you use to manage all the instances? Also, what do you use to look for the OutOfMemory in logs? I am looking at Splunk too.
Andrew On Thu, Jun 17, 2010 at 12:42 AM, Robinson, Eric <eric.robin...@psmnv.com> wrote: > > We run 150+ instances of tomcat on one server. To optimize memory > utilization, each tomcat instance is configured with 64MB by default > (export JAVA_OPTS="-ms64M -mx64M"). We then watch for > Java.Lang.OutOfmemory errors in the logs. If we see any of these over > time, we allocate additional RAM in 32MB increments until that instance > stops throwing errors. Most instances are happy with 64MB. Some need > 96MB or 128MB. We have never seen a tomcat instance that throws > OutOfMemory errors with 256MB RAM. > > If tomcat is not throwing OutOfMemory errors and system responsiveness > is good, is there really any reason to allocate higher amounts of RAM? > > -- > Eric Robinson > > > Disclaimer - June 16, 2010 > This email and any files transmitted with it are confidential and intended > solely for Tomcat Users List. If you are not the named addressee you should > not disseminate, distribute, copy or alter this email. Any views or opinions > presented in this email are solely those of the author and might not > represent those of . Warning: Although has taken reasonable precautions to > ensure no viruses are present in this email, the company cannot accept > responsibility for any loss or damage arising from the use of this email or > attachments. > This disclaimer was added by Policy Patrol: http://www.policypatrol.com/ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
