Sergey Petrunya
Query optimizer developer, Monty Program Ab

Website

Sergey Petrunya is a query optimizer developer at Monty Program Ab, where he has spent the last year working on MariaDB.

Prior to that, he has been working on MySQL query optimizer at MySQL Ab and Sun/MySQL, where he has implemented features like partition pruning, index_merge optimization, semi-join subquery optimizations and numerous smaller optimizer improvements.

Sessions

11:55am–12:40pm Thursday, 04/15/2010
New Query Engine Features in MariaDB
Architecture and Technology
 Location: Ballroom C Level: Intermediate
Sergey Petrunya (Monty Program Ab)
MariaDB is a branch of MySQL with additional and improved features. This talk is about MariaDB's unique query engine features: Table Elimination,Batched Key Access, and a set of Subquery Optimizations (development of the latter two was started at MySQL but MariaDB has fixed and improved variants). Each of the features will be explained in easy manner and also a benchmark will be shown. Read more.
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