Also, discussed in the blog post and in the comments: http://www.mysqlperformanceblog.com/2012/08/06/filling-the-tmp-partition-with-persistent-connections/comment-page-1/#comment-995102
Also, discussed in the blog post and in the comments: http:// www.mysqlperfor manceblog. com/2012/ 08/06/filling- the-tmp- partition- with-persistent -connections/ comment- page-1/ #comment- 995102