On Thursday, November 04, at 0900PST/1700CET/1600GMT there is a webinar about Pushed Down Joins. This webinar will explain how Pushed Down Joins works, and some performance numbers.Register here: http://mysql.com/news-and-events/web-seminars/display-583.html.
NDB Pushed JOINs means query shipping instead of data shipping and it reduces drastically the network hops between the MySQL Server and data nodes, which in turn gives a tremendous performance improvement. For particular queries a 180x improvement has been measured.
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