Search Results for: d

‘Woz on your mind?’ Share your questions for Steve Wozniak during his Percona Live keynote!

Here’s your chance to get on stage with Woz! Sort of. Apple co-founder and Silicon Valley icon and philanthropist Steve Wozniak will participate in a moderated Q&A on creativity and innovation April 14 during the Percona Live MySQL Conference and Expo in Santa Clara, California. Woz once said that he never intended to change the world. […]

FoundationDB is acquired by Apple: My thoughts

TechCrunch reported yesterday that Apple has acquired FoundationDB. And while I didn’t see any mention if this news on the FoundationDB website, they do have an announcement saying: “We have made the decision to evolve our company mission and, as of today, we will no longer offer downloads.” This is an unfortunate development – I […]

Yelp IT! A talk with 3 Yelp MySQL DBAs on Percona Live & more

Founded in 2004 to help people find great local businesses, Yelp has some 135 million monthly unique visitors. With those traffic volumes Yelp’s 300+ engineers are constantly working to keep things moving smoothly – and when you move that fast you learn many things. Fortunately for the global MySQL community, three Yelp DBAs will be […]

Calling all MySQL DBAs: How do you use Percona Toolkit?

Percona Toolkit is one of our most mature open source applications. Derived from Maatkit and Aspersa, Percona Toolkit has evolved significantly over the years. The software now contains 32 tools, over 4,000 tests, and has been downloaded over 250,000 times. Anyone who manages a database – from DBAs to system administrators to even software developers […]

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 also […]

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 […]

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

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, […]

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 as […]

Q&A: Multi-threaded Replication in MySQL 5.6 and MySQL 5.7

My webinar “Multi-threaded Replication in MySQL 5.6 and 5.7″ on February 25 generated several excellent questions following the presentation (available here for playback along with the slides). I didn’t have time to answer many of the questions during the session and so in this post I answer all of them. Thanks to everyone who attended! Q: […]

MySQL and geospatial programming: An introduction to GIS

Geographic information systems (GIS) are used by application developers to incorporate geographic information into their datasets to create apps with cool features such finding the address to the best steakhouse in town or the locations of local points of historical interest (the list is endless). In a nutshell, GIS captures, store, checks and displays data […]