Optimize set command with ex/px when updating aof.
Optimize set command with ex/px when updating aof.

ctripcorp/redis,antirez/redis,ofirluzon/redis,soveran/redis,ctripcorp/redis,spinlock/redis,soveran/redis,nnog/redis,rogerchina/redis,charsyam/redis,PKRoma/redis,soloestoy/redis,GitHubMota/redis,rogerchina/redis,neomantra/redis,neomantra/redis,Sciumo/redis,ctripcorp/redis,spinlock/redis,yossigo/redis,oranagra/redis,spinlock/redis,rogerchina/redis,charsyam/redis,yossigo/redis,pmem/redis,nnog/redis,Sciumo/redis,yossigo/redis,PKRoma/redis,soloestoy/redis,oranagra/redis,neomantra/redis,ofirluzon/redis,ofirluzon/redis,soveran/redis,yossigo/redis,charsyam/redis,antirez/redis,antirez/redis,neomantra/redis,ofirluzon/redis,yossigo/redis,spinlock/redis,soloestoy/redis,nnog/redis,PKRoma/redis,soveran/redis,pmem/redis,ofirluzon/redis,GitHubMota/redis,Sciumo/redis,oranagra/redis,ctripcorp/redis,soloestoy/redis,rogerchina/redis,antirez/redis,oranagra/redis,oranagra/redis,pmem/redis,neomantra/redis,nnog/redis,charsyam/redis,Sciumo/redis,GitHubMota/redis,PKRoma/redis,GitHubMota/redis,charsyam/redis,PKRoma/redis,soloestoy/redis,pmem/redis