Failed to start rsync may caused by port confilct or rsync not installed

pfadd interface abnormal

overload cmd Pksetexat current_key()

"slaveof no one" not rewrite into config file

Add Func ProcessMonitor and ProcessSlowlog

Related commands: PSubscribeCmd, PUnSubscribeCmd, SubscribeCmd, UnSubscribeCmd, Ping

remove shutdown command logic from critical path

Update pink to prevent dead lock

Update pink and slash
Fork rsync before init rocksdb

PikaCmdTableManager::GetCmd invokes Clone func in derived class to new Cmd

After receive TrySync Request, check binlog offset is a start point of a binlog.

* Support del mset mget exists in sharding mode

only one key is allowed in every single command