The Maatkit toolkit is a real blessing for the MySQL DBA. And while its documentation is pretty good, in some cases it's necessary to read carefully a second and third time to make sure you are not missing an important piece of information. In this article I will comment on mk-table-chksum and mk-table-sync. My comments are mostly aimed at those DBAs who are considering using these utilities with medium or larger-sized databases.--replicateThis option allows you to store the checksum results on the master, in a table that will get replicated to the slaves. Although it might seem like overhead for a simple check, it really simplifies your life, especially when used in combination with "mk-table-sync". I always use it, for the following reasons:\tYou only need to run "mk-table-chksum" on the master.\tA simple query will tell you the slave status.\tWhen used with "--chunksize", it divides the checking  []