My mistake, Here are the details. I should have confirmed first before posting but besides the apache version everything else is correct.
tomcat 5.5.2.7 apachectl -l shows prefork compiled in. *$JAVA_HOME/bin/java -version* java version "1.6.0_10" Java(TM) SE Runtime Environment (build 1.6.0_10-b33) Java HotSpot(TM) 64-Bit Server VM (build 11.0-b15, mixed mode) *uname -a* Linux WEB07 2.6.9-89.31.1.ELsmp #1 SMP Mon Oct 4 21:41:59 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux *uname -m* x86_64 * * */usr/sbin/apachectl -v* Server version: Apache/2.0.52 Server built: Mar 23 2010 08:16:30 On Wed, Dec 29, 2010 at 9:21 AM, Pid <p...@pidster.com> wrote: > On 12/28/10 9:13 PM, Don Hill wrote: > > We are on 64bit JVM 1.6 the heap is 8GB for each Tomcat instance. The OS > is > > RHEL 4.0 64 bit > > Great. Which versions of HTTPD 1.3 and Tomcat 5.5 are they? > > > p > > > On Tue, Dec 28, 2010 at 7:30 AM, Pid <p...@pidster.com> wrote: > > > >> On 12/27/10 4:42 PM, Don Hill wrote: > >>> Thanks. > >>> > >>> I am trying to get them to migrate. It seems that part of there > >> bottleneck > >>> could be the MAX clients on HTTPD. They get high volumes at times and > >> have > >>> like 1800-3000 active sessions. Any other input would be great like > >> tuning > >>> tomcat to workers and the best strategy to setup a tomcat/httpd env. > >>> > >>> Don > >>> > >>> On Mon, Dec 27, 2010 at 9:34 AM, André Warnier <a...@ice-sa.com> wrote: > >>> > >>>> Don Hill wrote: > >>>> > >>>>> Hi. > >>>>> > >>>>> I am working on a tomcat 5.5 cluster which is using ajp/1.3 and > mod_jk > >> and > >>>>> trying to determine the best cluster design given the hardware. I > have > >> 2 > >>>>> xeon 2.3 ghz 2 CPU machines with 38GB ram machine. Currently here is > >> the > >>>>> config I am using. The TOMCAT and HTTPD servers are on the same > >> physical > >>>>> machine. > >>>>> > >>>>> Each machine is running HTTPD 1.3 with prefork, the MaxClients is 256 > >> due > >>>>> compiled in limits. Each machine has 4 virtualhosts running through > one > >>>>> instance of HTTPD. Two of the VHOSTS are the same app running on > Tomcat > >>>>> 5.5 > >>>>> with 8GB RAM(configured by customer). The workers are configured to > >> each > >>>>> VHOST meaning for each machine there are 4 workers defined and one > >> worker > >>>>> is defined for each VHOST. I will try and depict this below. The > >> current > >>>>> load balancing is controlled by F5 and manages the load across 2 > >> machines, > >>>>> 4 > >>>>> VHOST for each app. > >>>>> > >>>>> Based on this info can someone recommend if this configuration could > be > >>>>> improved and if so what would you recommend ? > >>>>> > >>>>> The very first thing that I would recommend, would be to use the > >> current > >>>> versions of both httpd and tomcat. The versions you mention above are > >>>> several years old, and no longer being developed, except maybe for > >> security > >>>> patches. > >>>> See : http://httpd.apache.org/docs/1.3/ > >>>> See : http://tomcat.apache.org/whichversion.html > >> > >> Are you using a 64bit JVM? > >> What version is it? > >> Is your OS a 64bit version? > >> Which OS is it? > >> > >> > >> p > >> > > > >
