Command-line tools for MySQL and system tasks

 Percona Toolkit is a collection of advanced command-line tools to
 perform a variety of MySQL and system tasks that are too difficult
 or complex to perform manually, including:
 .
  - Verify master and replica data consistency
  - Efficiently archive rows
  - Find duplicate indexes
  - Summarize MySQL servers
  - Analyze queries from logs and tcpdump
  - Collect vital system information when problems occur