Yes, it is possible to share a single instance of Memcache between multiple projects. Memcache is a memory store space, and you can run Memcache on one or more servers. You can additionally configure your customer to chat with a selective set of situations. So, you can work two separate Memcache methods on the corresponding host and till they are absolutely autonomous. Except, if you have partitioned your data, suddenly it grows essential to understand from which situation to receive the data from or to set into.