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MySQL Optimizer team comments on TPC-H Results

Yesterday I had a chance to speak to Igor – head of MySQL optimizer team and Timur – both of them expressed concern with TPC-H run results I posted and notes about little gains in MySQL 6.0. Do not get this post wrong. I’m not saying MySQL 6.0 SubQuery optimizations are non existent or priorities […]

About This Blog

The MySQL Performance Blog is the place where members of Percona’s MySQL Consulting and Support teams share their technical expertise with the entire MySQL community. It’s also a venue for us to hear from our users, customers, partners, competitors and the MySQL faithful around the world. So comment often and let us know what’s on […]

MySQL 5.7 key features

The other day I was discussing new features of MySQL 5.7 with a Percona Support customer. After that conversation, I thought it would be a good idea to compile list of important features of MySQL 5.7. The latest MySQL 5.7.6 release candidate (RC) is out and is packed with nice features. Here’s a list of […]

MongoDB / TokuMX plugin for LinkBench (Part 1)

“There’s no benchmark for how life’s “supposed” to happen. There is no ideal world for you to wait around for. The world is always just what it is now, it’s up to you how you respond to it.” ― Isaac Marion, Warm Bodies At one time or another, most of us have heard some version […]

MySQL QA Episode 2: Build a MySQL server – Git, Bazaar, Compiling & Build tools

Welcome to MySQL QA Episode 2: Build a MySQL Server – Git, Bazaar (bzr), Compiling, and Build Tools In this episode you’ll learn how to build Percona Server and/or MySQL Server for QA purposes & more in this short 25 minute tutorial. In HD quality (set your player to 720p!) To watch the other episodes […]

Percona Security Advisory CVE-2015-1027

Contents Summary Analysis Mitigating factors P.O.C Acknowledgments Summary During a code audit performed internally at Percona, we discovered a viable information disclosure attack when coupled with a MITM attack in which percona-toolkit and xtrabackup perl components could be coerced into returning additional MySQL configuration information. The vulnerability has since been closed. Timeline 2014-12-16 Initial research, […]