error

var (
	ErrCMDNotSupport   = errors.New("command is not support")
	ErrMarshalFailed   = errors.New("request marshal has failed")
	ErrInvalidValue    = errors.New("value is invalid")
	ErrShardNotExisted = errors.New("shard is not existed")
	ErrDispatchFailed  = errors.New("dispatch raft query failed")
	ErrKeyNotExisted   = errors.New("request key is not existed")
	ErrStartupTimeout  = errors.New("driver startup timeout")
	ErrStartupFailed   = errors.New("driver startup failed")
)