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 >> >
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