Jaime Crespo

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Sr Database Administrator at the Wikimedia Foundation, in charge of all tiers of one of the largest an busiest MariaDB private clusters in the world. Job involves sytem engineering and administration at many levels, from query optimization, to user support, to architecture design and hardware purchase and support. Former Percona Instructor/Consultant for Europe. Former Oracle/Sun MySQL/Java Instructor. Former freelance database consultant, remote DBA and instructor. LAMP. FLOSS training. UNIX/Linux system administration (Debian GNU/Linux, SUSE Linux Enterprise, Ubuntu Server). Cluster & grid administration. GIS applications and standards. Computer vision and augmented reality.

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Jaime Crespo

How to analyze and tune sql queries for better performance webinar

Percona Live London 2014: Serve out any page with an HA Sphinx environment

Query Optimization with MySQL 5.7 and MariaDB 10: Even newer tricks

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MySQL Optimizer Cost Model