Peter Zaitsev, a former manager of the High Performance Group at MySQL AB, now
runs the mysqlperformanceblog.com site. He specializes in helping administrators fix
issues with web sites handling millions of visitors a day, dealing with terabytes of
data using hundreds of servers. He is used to making changes and upgrades both to
hardware and software (such as query optimization) in order to find solutions. Peter
also speaks frequently at conferences.

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