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Peiran Song
Peiran joined Percona as a Support Engineer in March 2014. Prior to that, she had served as database architect and database administrator at companies in the fields of SAAS, mobile and social games and web services.

How to deal with MySQL deadlocks

A deadlock in MySQL happens when two or more transactions mutually hold and request for locks, creating a cycle of dependencies. In a transaction system, deadlocks are a fact of life and not completely avoidable. InnoDB automatically detects transaction deadlocks, rollbacks a transaction immediately and returns an error. It uses a metric to pick the […]