Here’s a question for the people here who are more of a computer whiz than I am: is fragmentation of objects in memory really a big deal? Both the MySQL query cache and the APC cache become fragmented over time, as various objects get cached and then purged.<\/p>\n
Does this really make a big difference? You see a huge rise in access times when it happens on disk, but in RAM? Or will the applications require a contiguous allocation and thus just not use it at all? (And, for bonus points, why has no one written a ‘memory defragmenter’ if such a thing exists? Given that my needs are for managing small chunks of memory, there’s no reason, actually, that it couldn’t simply reconstitute the 16MB cache in a wholly separate, contiguous chunk of RAM?<\/p>","protected":false},"excerpt":{"rendered":"
Here’s a question for the people here who are more of a computer whiz than I am: is fragmentation of objects in memory really a big deal? Both the MySQL query cache and the APC cache become fragmented over time, … Continue reading