MySQL

Category to track posts in PlanetMySQL

Choosing a good sharding key in MongoDB (and MySQL)

MongoDB 3.0 was recently released. Instead of focusing on what’s new – that is so easy to find, let’s rather talk about something that has not changed a lot since the early MongoDB days. This topic is sharding and most specifically: how to choose a good sharding key. Note that most of the discussion will […]

Read more

Getting started guide for OpenStack contributors

So you want to contribute to OpenStack? I can help!
For the last year or so I have been involved with OpenStack and more specifically the Trove (DBaaS) project as sort of an ambassador for Percona, contributing bits of knowledge, help and debugging wherever I could and thought I would share some of my experience […]

Read more

MySQL QA Episode 1: Bash/GNU Tools & Linux Upskill & Scripting Fun

MySQL QA Episode 1

MySQL QA Episode #1: Bash/GNU Tools & Linux Upskill & Scripting Fun
This episode consists of 13 parts, and an introduction. See videos below
In HD quality (set your player to 720p!)
Introduction

Part 1: echo, ls, cp, rm, vi, cat, df, du, tee, cd, clear, uname, date, time, cat, mkdir

Part 2: find, wc, sort, shuf, tr, mkdir, man, […]

Read more

Free MySQL QA & Bash/Linux Training Series

MySQL QA

Welcome to the MySQL QA Training Series!
If you have not read our introductory blog post on pquery yet, I’d recommend reading that one first to get a bit of background. The community is enthuastic about pquery, and today I am happy to announce a full training series on pquery and more. Whether you are […]

Read more

Deep dive into MySQL’s innochecksum tool

One of our Percona Support customers recently reported that Percona XtraBackup failed with a page corruption error on an InnoDB table. The customer thought it was a problem or bug in the Percona XtraBackup tool. After investigation we found that an InnoDB page was actually corrupted and a Percona XtraBackup tool caught the error […]

Read more