In the latest release of MySQL Utilities 1.4.3 GA, the
performance of the mysqldbcompare utility has been considerably
improved along with some bug fixes. This blog briefly explains
some of the improvements that were made and shows evidence of the
increased performance of database comparison.
- A new step was added to the data consistency check. It now
executes a full table checksum, which is faster when no
differences are expected. The algorithm to find row differences
is only executed if this preliminary table
- A new --skip-checksum-table option was added to skip this new step should you wish to (when you know there are differences it saves a bit of time).
- The current algorithm to find row differences was optimized to internally store and access the generated hash values.
What follows are some examples comparing the world database with …[Read more]