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rkurian on April 10, 2012 | parent | context | favorite | on: Keeping Instagram up with over a million new users...

Why do you guys use both memcache and Redis ? Redis also has LRU cache functionality.

lenn0x on April 15, 2012 [–]

Because in-house we have a custom version of memcache. We rewrote memcache's slab allocator, and for some use cases, is better at memory efficiency than Redis.

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