func CreateMemcacheConnection(Instance interface{}) (pools.Resource, error) {
mcInstance := Instance.(*Memcache)
hostNPorts := mcInstance.Settings.HostAndPorts
servers := strings.Join(hostNPorts, ",")
fmt.Println("connecting to ", servers)
cli := memcache.New(hostNPorts...)
return &MemConn{cli}, nil
}
// Callback function factory to vitess pool`
func memcacheFactory(key string, server []string) (pool.Resource, error) {
conn := memcache.New(server...)
memConn := &MemcacheConn{conn}
return memConn, nil
}