diff options
Diffstat (limited to 'activesupport/lib/active_support/cache/memory_store.rb')
-rw-r--r-- | activesupport/lib/active_support/cache/memory_store.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/cache/memory_store.rb b/activesupport/lib/active_support/cache/memory_store.rb index c1a713b4c5..1b30d49155 100644 --- a/activesupport/lib/active_support/cache/memory_store.rb +++ b/activesupport/lib/active_support/cache/memory_store.rb @@ -1,5 +1,19 @@ module ActiveSupport module Cache + # A cache store implementation which stores everything into memory in the + # same process. If you're running multiple Ruby on Rails server processes + # (which is the case if you're using mongrel_cluster or Phusion Passenger), + # then this means that your Rails server process instances won't be able + # to share cache data with each other. If your application never performs + # manual cache item expiry (e.g. when you're using generational cache keys), + # then using MemoryStore is ok. Otherwise, consider carefully whether you + # should be using this cache store. + # + # MemoryStore is not only able to store strings, but also arbitrary Ruby + # objects. + # + # MemoryStore is not thread-safe. Use SynchronizedMemoryStore instead + # if you need thread-safety. class MemoryStore < Store def initialize @data = {} |