June 20, 2013

Post: thread_concurrency doesn't do what you expect

… use some performance benefits. As we always say, set up benchmark tests to identify which tuning parameters provide the most benefit… lot of confusion and there are hundred of MySQL tuning howtos that explain how to tune the variable to get better…

Post: Setting up XFS on Hardware RAID -- the simple edition

There are about a gazillion FAQs and HOWTOs out there that talk about XFS configuration, RAID IO alignment, … theory of Aligning IO on hardware RAID and some good benchmarks to emphasize the point, go read those if you need…