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In this technical white paper we show how MySQL Cluster on Multi-Core Intel Xeon based on the Intel Core2™ micro-architecture in combination with the Dolphin Express cluster interconnect becomes a `real-time´ DBMS suitable for markets with extremely low latency or `real-time´ requirements. Low latency is important in delivering fast response time in any database application, but for some markets such as telecom, financial services and many embedded systems, this requirement is a critical requirement. Our results demonstrate that Dolphin Express provides a response time improvement of up to 292% as well as significant performance increases in high-load cases, particularly in larger clusters, making it ideal for any performance sensitive database application and uniquely able to meet the needs of `real-time´ database applications.

MySQL Cluster is an Open Source Database technology developed by MySQL AB that brings High Availability, Scalability and High Performance to database applications. In this technical white paper we show how it can also provide `real-time´ characteristics. MySQL Cluster uses the standard MySQL technology with a clustered database backend, NDB Cluster. MySQL Cluster can be accessed from the MySQL Connector's which provides access to the full LAMP stack; it can also be accessed from the NDB API that works directly with NDB Cluster.