Hi people, I don't know if some people have a big experience from InnoDB and MySQL. We just see in mysql documentation innoDB does not reallow the disk space of deleted datas. An example : the disk used by one of our clients, who have only 50 000 notices, is 4GB and is still growing. The explication is innodb don't delete data from disk after a "drop" or a "delete". http://dev.mysql.com/doc/refman/5.0/en/adding-and-removing.html "Currently, you cannot remove a data file from the tablespace. To decrease the size of your tablespace, use this procedure: " The solution to decrease the size of data file, is to dump, and restore the database... A really bad solution for production installations. Does someone have experimented the same problem? What are your solution about this problem ? bests, -- Nahuel ANGELINETTI