From: shayne.alone@gmail.com Date: January 15 2013 12:06pm Subject: howto remove redo tablespace List-Archive: http://lists.mysql.com/community/394 Message-Id: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=047d7bdc7a9a94ee1404d3529a90 --047d7bdc7a9a94ee1404d3529a90 Content-Type: text/plain; charset=UTF-8 Hi all; In a file_per_table env I had configured InnoDB to separate undo tablespace files. innodb_undo_logs = 64 innodb_undo_tablespaces = 32 do to the heavy write I had and for performance which I need, decided to change configuration as: innodb_undo_logs = 1 innodb_undo_tablespaces = 16 there are two problem: 1- undo001 file has been grown to 13G! how can i reduce it size? 2- what would happened if i delete the undo016~32 files? -- Regards, Ali R. Taleghani --047d7bdc7a9a94ee1404d3529a90--