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The Wonders of Maatkit for MySQL

May 18, 2010, 21:02 (0 Talkback[s])
(Other stories by Sean Hull)

"Introduction
MySQL is a great database for web-facing applications, and it's evolved to provide a surprisingly large set of sophisticated features well beyond what the original designers probably envisaged.

"However, it tends to be a bit rough around the edges, and it takes some shortcuts, and fudges a bit all in the name of providing you the most bang for your virtual buck.

"Enter Maatkit, a great toolkit with a bewildering array of command line tools that fill the gap where MySQL's native tools leave off. From Replication to query profiling and optimizing, Maatkit has tools to make you smarter, and help you get your job done.

"Replication Tools

"mk-table-checksum
Front and center is the table checksum tool. Why would you need to create checksums on your tables, you ask. Turns out MySQL's replication technology is deceptively easy to set up, and it may *seem* to be running properly, all the while your slave does not match your master. That's right, fire up this tool, and you'll will be surprised or even horrified to find your slave is not only different, but if you were performing backups off the slave, your backups are invalid as well!"

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