… MySQL Performance tuning ? Not surpising associative array cache performs the best, almost 4 times faster than APC shared memory cache – closest competitor. In real life performance… cache, and when it does not. In case it does – APC Cache perhaps will give you better performance. If it does not fit in cache…

… did Cache Performance Comparison for LAMP Stack. Looking at this data you can see memcached is about 5 times as slow as APC… of them. APC Cache (Eaccelerator and other similar caches) is Fast but it is not distributed so you’re wasting cache and reducing possible…, you can use both at the same time. APC will be great for caching small but frequently accessed things which are not…

…APC or Memcached | MySQL Performance Blog APC Cache (Eaccelerator and other similar caches) is Fast but it is not distributed so you’re wasting cache and reducing possible hit rate by caching things locally if you have many web… you need only one access to bring item into the cache, not access for each of web servers. (tags: apc cache php) [...]

… APC to each webserver, then assign 1 GB of RAM for memcached on each server. It is not either/or situation. APC caches PHP opcode, whereas memcached caches results from database queries. When you use both… prepared to be blown off your feet with the astonishing performance.

… but not with APC as it is PHP specific.  For more information on performance and advice on when various caching methods may be more useful Peter over at MySQLPerformanceBlog has written an interest article Cache Performance…

… differences in performance between disk_only and shm. latest tests 1 . Array Cache Time: 140287 Gets/Sec: 712824.424216 2 . eaccelerator Cache Time: 364028 Gets/Sec: 274704.143637 3 . apc Cache Time: 536591 Gets…

…Memcached is slower than local caches such as APC cache since it is distributed.  However, it has the potential … application benefits from a really big cache, or whether some of the objects aren’t better off with smaller, higher performance, local caches. [...]

[...] More on APC Cache, Memcached Cache, and MySQL Query Cache performance [...]

i’ve just compared apc with memcached using unix sockets. runnig in vmware, apc reached around 100’000 gets/sec and memcached around 1/5 of that. it makes sense because memcached is lockless! i’m having big performance problems when caching lots of date with apc…