Jun 17, 2013
 Percona MySQL University Portland 2013
  Daniel Nichter

pt-table-checksum is a free tool which safely and efficiently verifies that data on MySQL replicas is identical to the master. Having inconsistent data on MySQL replicas is a well-known and rather common problem, yet many people who depend on MySQL replication never check for it. Moreover, inconsistent data can be an expensive problem, but the solution is free: pt-table-checksum.



About the Author

Daniel Nichter

Daniel has over 10 years experience with MySQL, with a focus on tools. He began creating and publishing MySQL tools in 2004 for his former website HackMySQL.com. In 2008 he joined Percona to work on Maatkit, which is now Percona Toolkit. At the 2010 MySQL Conference & Expo, Daniel was named the Community Contributor of the Year for his work on Maatkit. Today, he continues to develop MySQL tools for Percona and its customers. Daniel holds a bachelor's degree in philosophy (cum laude, Phi Beta Kappa) and a master's degree in French (summa cum laude), both from the University of Wyoming. He lives in Portland, Oregon and does his best to help keep it weird.