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Re:How do you optimize a MySQL database for writes? by carbocation on Tuesday December 21, 2010 @06:53PM (#2029913)
Instead of just inserting a record, it now has to do something else, too (update the index).

Try taking a look at http://kevin.vanzonneveld.net/techblog/article/improve_mysql... , which suggests some things you can try. This might be a question better suited for StackOverflow, by the way.

Re:How do you optimize a MySQL database for writes? by jongs on Tuesday December 21, 2010 @07:16PM (#2029970)
thanks