I'm considering using memcached for our php application. We have certain large
objects we retrieve on almost every request, and I'd
like to optimize the retrieval and the memory required to load these objects
every time. I see the following on the site:
> The first thing people generally do is cache things within their web
> processes. But this means your cache is duplicated
> multiple times, once for each mod_perl/PHP/etc thread. This is a waste of
> memory and you'll get low cache hit rates.
My question: since most requests retrieve these objects, isn't it true that I'm
still going to duplicate the object multiple times, once
for each PHP thread? All I'm doing is replacing a mysql call with a memcached
call.
I'm thinking that what I really need is a PHP module that supports synchronized
read/write access to a single memory object from
multiple threads. But I don't see any PHP modules out there that appear to do
this.
Am I missing the point here?
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