MCoreCloud is a suite of server software for the web/cloud cluster, that delivers order of magnitude higher performance and higher scalability than existing OS and server software. The key technology components of MCoreCloud: 1) High Performance Application Server -- 100 times, up to 1000 times lower latency than existing web application servers. --Order of magnitude higher capacity to handle real-time events. 2) High Performance In-memory Cache/Data Server -- Order of magnitude lower latency and higher throughput than any other memcache or in-memory database servers. 3) High Performance Low Latency Network.