OTRS 1.1 - Manual
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# Database

This depends on the database you are using. If you have trouble, read the documentation for your database or ask your database admin.

## MySQL

If you use MySQL table type MyISAM (which is default) and have deleted a large part of a table or if you have made many changes to a table with variable-length rows (tables that have VARCHAR, BLOB, or TEXT columns) you need to defragment the datafile (tables) by "optimize" command.

You should try it if mysqld needs a lot of your CPU time. Optimize table ticket, ticket_history and article.

    mysql> optimize table ticket;
    mysql> optimize table ticket_history;
    mysql> optimize table article;

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