devnull@xxxxxxxxxxxxxx a écrit :
Usually, any php-forum has an option to make it storing generated pages as html-static. In that case, pages are regenerated only when a user make something new in it. This act nearly as a cache. In that case, your webserver will serves only "static pages" : your php, wich is I think a module dynamycally linked in your apache, will made is job only when he has to do it: not regenerating the same page again and again. Try to make a ration on how much time php regenerate the same page (how much people are seeing it) and how much times the page is changed (someone reply in a forum) ?Mainly VBulletin is a php script. I don't serve much static html files. How can php be tuned to optimize its performance?
(The ration might be worst on the thread list indexes).After that, you should enable a mod expire on your graphic content and/or html pages or delegate
this part on another server.Try to see if you can enable mod_deflate and or mod_gzip but serving only pre-gzipped files: I
remember this was an option but I didn't see it for a long time.Usually, when looking for an enhanced way to serve static content, you should take a look at http://www.lighttpd.net/ or http://www.acme.com/software/thttpd/ or boa or even zeus.. With apache, you can achieve nearly these enhanced performances server when playing with kqueue, poll/epoll, threaded based server. The worst multiplexing model being select-prefork one. I have nothing against apache and I respect it's developper's great work but it's too general to
serve high loads web servers.Continuing to descend low in the system, you should look more carefully at your tcp-stacks buffers but it's depend on your system. But if you don't know what's this, forget this asap. ;-)
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