…: Cache Type Cache Gets/sec Array Cache 365000 APC Cache 98000 File Cache 27000 Memcached Cache (TCP/IP) 12200 MySQL Query Cache (TCP/IP) 9900 MySQL Query Cache (Unix… several time during page creation cache it locally do not depend on any other types of caches. use APC Cache for single node applications… to use APC Cache as L1 cache and File cache as L2 cache if you have large amount of data in long term cache. If you…

… 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…

… = “shm” apc.enabled=1 apc.shm_size=250 apc.optimization=0 apc.num_files_hint=1000 apc.gc_ttl=3600 apc.cache_by_default=1 apc.file_update_protection=2 apc.gc_ttl=”1M” apc…

Yes…. use a hierarchy of caches. local (APC in this case ) -> memcached -> disk If you’re using something … semantics since you don’t want to fill up your APC cache and run out of memory. In Tailrank we only really… NEED to get stats for your cache hit rates. If you’re allocating 500M to your APC cache but only seeing a 1…

…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) [...]

… would be better solution for implementing caching strategy on above servers? 1: Assigning 100MB to APC on each webserver OR 2: Using… 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…

… you’re speaking about I would probably use small local APC cache plus distributed memcached, running on the same set of boxes… fast but even run locally it is much slower than APC. For most applications you would not notice too much differnece… means your pages will be lightning fast even with 100 cache lookups per cache

…: APC is hooked to your webserver, so if you restart your Apache often to release memory (I do), your entire APC cache gets…

… 1 . Array Cache Time: 140287 Gets/Sec: 712824.424216 2 . eaccelerator Cache Time: 364028 Gets/Sec: 274704.143637 3 . apc Cache Time: 536591 Gets/Sec: 186361.679566 4 . File Cache Time: 1765141 Gets/Sec: 56652.6979998 5 . Memcached Cache Time: 3511784…

… local APC caches aren’t going to cut it. Request will be load balanced across various servers and so what was cached on one server will no be in the cache on the other server so you’ll end up w/ more cache misses. Memcached solves this…