> Just a note here : 160 X 512 MB = 81 GB. If each Tomcat's > JVM Is allowed to use up to 512 MB of Heap, there might be > moments where a lot of JVM's will be using close to that > amount. Unless your system can really support that amount > of real RAM, you may be in for massive swapping.
Thanks, but no worries there. I would never allow swapping. If I have to allocate 512MB RAM to each instance, it will be on a new server with adequate physical RAM. > During a full GC, the JVM does nothing else (applications are > frozen). So there may be an impact on the user experience during > that time. That's the effect I'm trying to anticipate. > Note also that the 81 GB above count only the Tomcat Heaps, and > disregard any other memory needed by your 160 instances. Very good point. -- Eric Robinson Disclaimer - June 19, 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
