ff53b0ef_f_Memcache___Heroku_Dev_Center__Operation
[Description] Sets a key and value along with an expiration in seconds. Once the key has expired it will be removed from the cache. An expiration of up to 30 days is interpreted as time interval from the current time, whereas an expiration of 30 days or more is interpreted as an absolute Unix date. [Operation] 
Set with expiration
S e t w i t h e x p i r a t i o n
F l u s h
I n c r e m e n t
D e c r e m e n t
A p p e n d
P r e p e n d
C A S ( o r s e t w i t h a v e r s i o n )
Getting the Most Out of Memcache | Heroku Dev Center