Re: Reducing load for LAMP app?

Jerry Stuckle wrote:
In fact, I find it's more often assumed to be on the same server when not specified.

the overhead of making a connection - especially on a local machine
- is small..

the problem is not related to database - but general resource shortage.


Interesting and valid points all around. I'm glad you were able to help the OP. Many of my assumptions about his situation were incorrect.

Memcached was not a helpful suggestion here, but I still think that apc is helpful in most situations. Even if memory is short - a smart opcode cache won't particularly hurt memory use. In fact, it may even help - instead of compiling the code (into memory, I might add) separately for multiple concurrent requests, suddenly there is already a compiled copy in shared memory that can be utilized. True, there may be less memory used when the server is completely idle - but that is not particularly helpful, right? Before denigrating it, I suggest you try it out on one of your applications; it might surprise you.

I stand by my conviction that explicit caching is a good idea more often than not, but then I rarely work with a single-server (or significantly memory-bound) environment so maybe it's my lack of experience there that's distorting my perception in your view.

In any case, I appreciate the discussion.

Jeremy
.

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