Memcached is great, and it definitely has it’s own challenges. To learn more about how Couchbase can help, check out https://www.couchbase.com/memcached-replacement
We recommend you use Couchbase Server as your memcached replacement solution. To download Couchbase check out www.couchbase.com/downloads
Also, don’t forget that Couchbase Analytics is now available! We just launched Couchbase 6.0 with Analytics, Timers for Eventing and faster indexing for Search.