From: Roger Date: October 8 2012 1:44am Subject: How to Calculate the amount of a single query to read and write from disk temporary file List-Archive: http://lists.mysql.com/mysql/228347 Message-Id: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=20cf307ca508319d3004cb825e77 --20cf307ca508319d3004cb825e77 Content-Type: text/plain; charset=ISO-8859-1 Hi All- anyone can help me to reply my request? i want to Calculate (statistics) read and write very query, i had read some good article from mark's blog http://www.markleith.co.uk/ps_helper/ latest_file_io like I want,but i want to statiics amout if a singe query read and write ,anyone can help me? thank a lot. -- Best Regard *---------------------------- Roger chen Mail: jirong1987@stripped* --20cf307ca508319d3004cb825e77--