1. You can limit the number of revisions
WordPress stores by _____Note: Categories must have distinct slugs. Even if two
categories have different parents and would therefore have different
permalinks, you can’t assign them the same slug.
Answers:
1.
adding
the following line to your wp-config.php file: define(‘WP_POST_REVISIONS’, 3);
2.
using a plugin
3.
changing a setting on
admin panel