ff53b0ef_f_Memcache___Heroku_Dev_Center__Operation
[Description] Removes all data from the cache. Be careful using this command in production -- production apps may experience downtime if an empty cache puts too much stress on the database. [Operation] 
Flush
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