Redis Cluster: hint about validity factor when slave can't failover.
Redis Cluster: hint about validity factor when slave can't failover.

4396/redis,4396/redis,pedigree/redis,janekmi/redis,xuguruogu/redis,janekmi/redis,4396/redis,xuguruogu/redis,janekmi/redis,pedigree/redis,xuguruogu/redis,4396/redis,pedigree/redis,xuguruogu/redis,pedigree/redis,janekmi/redis