* Add a command to inspect the currently selected DB index
* Consistent hashing implemented in all the client libraries having an user base
* SORT: Don't copy the list into a vector when BY argument is constant.
- * SORT ... STORE keyname. Instead to return the SORTed data set it into key.
* Profiling and optimization in order to limit the CPU usage at minimum
* Write the hash table size of every db in the dump, so that Redis can resize the hash table just one time when loading a big DB.
* Elapsed time in logs for SAVE when saving is going to take more than 2 seconds