Revert "optimize memory usage of deferred replies"
Revert "optimize memory usage of deferred replies"

This reverts commit fb732f7a944a4d4c90bb7375cb6030e88211f5aa.

PKRoma/redis,antirez/redis,oranagra/redis,oranagra/redis,antirez/redis,neomantra/redis,soloestoy/redis,soloestoy/redis,ctripcorp/redis,soloestoy/redis,ctripcorp/redis,soloestoy/redis,ctripcorp/redis,oranagra/redis,neomantra/redis,ofirluzon/redis,neomantra/redis,antirez/redis,PKRoma/redis,ofirluzon/redis,charsyam/redis,yossigo/redis,PKRoma/redis,ofirluzon/redis,neomantra/redis,charsyam/redis,ctripcorp/redis,yossigo/redis,PKRoma/redis,soloestoy/redis,PKRoma/redis,charsyam/redis,oranagra/redis,oranagra/redis,yossigo/redis,yossigo/redis,charsyam/redis,ofirluzon/redis,antirez/redis,yossigo/redis,charsyam/redis,neomantra/redis,ofirluzon/redis