http://www.squid-cache.org/ might help. Any experiences with regard to Apache + mod_jk + Tomcat?
Your cooperation is welcome. Mit freundlichen Grüßen, Volker Neise Süd-Chemie AG, Munich Corporate Information Management - Internet / Intranet Tel. ++49-89-5110-428 Fax ++49-89-5110-71428 -----Ursprüngliche Nachricht----- Von: David Smith [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 20. Oktober 2004 15:42 An: Tomcat Users List Betreff: Re: Apache 2.0 - mod_proxy, mod_cache - and Tomcat 4.1.29 Have you thought of using something designed for this like Squid? Apache httpd is a little heavy duty to just be a caching proxy. --David Neise, Volker wrote: >Hi, > >I am running Apache 2.0 with tomcat 4.1.29. The problem is performance: at the moment >requests are going to "Apache A". If the request is a JSP, than the request is >handled by Tomcat via mod_jk. Tomcat runs and collects content out of a database and >returns this to "Apache A". The time for handling a request is at the upper limit and >I want to improve this. > >As most content does not change so often, my idea is to use another Apache for >"reverse proxy" and caching. I studied the Apache manual and found out thaz a >szenario can look like this: > > >(Apache Frontend) | (Apache A) | (Tomcat Backend) >(as proxy and cache) | (=Backend) | > | | >handles client requests | | > --------------------- proxy ---> handles forwarded req. | > | | > | ----------------- mod_jk ------ handles jsp > | -- other pages | > --- caching | > >I installed this and it works fine - nearly. The proxy works and the cache also. But >the Apache Frontend caches only those pages, which are handled by the Apache Backend >directly (I find gifs, jpgs, js and so on in the cache-directory). I do NOT find any >pages which are handled by the Tomcat. > >Any idea what is wrong? > >The Apache Frontnend httpd.conf looks like this > >- - snip - - > # Reverse Proxy > ProxyRequests Off > <Proxy *> > Order deny,allow > Allow from all > </Proxy> > ProxyPass / http://backend-apache/ > ProxyPassReverse / http://backend-apache/ > > #mod_cache Directive > CacheRoot "/cache" > CacheSize 55 > CacheDefaultExpire 259200 > CacheMaxExpire 604800 > CacheEnable disk / > CacheDirLevels 5 > CacheDirLength 3 > CacheIgnoreCacheControl On > CacheIgnoreNoLastMod On > CacheLastModifiedFactor 0.1 >- - snip - - > >Your cooperation is welcome. >Mit freundlichen Grüßen, Volker Neise > > > >--------------------------------------------------------------------- >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]
