Percona Toolkits pt-table-checksum is a great tool to find data inconsistencies between a MySQL master and its replicas. However it is sometimes not enough to know that there are inconsistencies and let pt-table-sync fix the issue: you may want to know which exact rows are different to identify the statements that created the inconsistency. This [&]

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http://www.percona.com/blog/2014/11/04/data-inconsistencies-on-mysql-replicas-beyond-pt-table-checksum/