From: walter harms Date: October 29 2012 11:48am Subject: optimize and tmpfiles List-Archive: http://lists.mysql.com/mysql/228514 Message-Id: <508E6D03.6020003@bfs.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit hi list, does someone know under what circumstances ''optimize tables'' will create a tmpfile ? we had a strange case of "out of space" that seems related to an "optimize table" but i was unable to replicate that case exactly as that no tmpfile appeared. (The table has a lot of partitions if that matters.) re, wh