From: nima chavooshi <nima0102@xxxxxxxxx>
>In order to speed up loading time for our dynamic site, what solutions do you suggest ?
>On some documents I have read about "memcached", but with this solution I have to change some codes of site!!
>In addition to I have read about mod_cache in Apache. what difference is between mod_cache and memcached??
mod_cache (experimental): caches the pages apache serves, for xxxx seconds.
memcache is a "key=value store" ("distributed variables") shared among many clients.
client1: set session_5463541431 = user123
client3: get session_5463541431 => user123
It is all in RAM (lost if crash/restarted), it is fast, values can be set to expire...
Used to avoid querying your db too much/often.
Read the first paragraphs from both homepages for a better explanation:
http://httpd.apache.org/docs/2.0/mod/mod_cache.html
http://www.danga.com/memcached/
JD
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