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  Thursday, November 15, 2012    Jay Janssen

The Hazards of Multi-writing in a Dual-Master Setup

Once MySQL users discover dual-master replication, they are often tempted to allow their applications to write to both at the same time. This talk will explore the dangers of doing so as well as the (limited) possibilities it allows.

Illustrated examples will be used to show how this breaks down ACID compliance at fundamental levels.


About the Author

Jay Janssen

Jay came to Percona in 2011 after working 7 years for Yahoo working in a variety of fields including High Availability architectures, MySQL training, tool building, global server load balancing, multi-datacenter environments, operationalization, and monitoring. Jay holds a B.S. of Computer Science from Rochester Institute of Technology. He and his wife live with their four children in upstate New York.