by Sveta Smirnova | Apr 30, 2015 | Insight for DBAs, MySQL, Percona Live
In version MySQL 5.7.7 Oracle presented a new promising feature: optimizer hints. However it did not publish any documentation about the hints. The only note which I found in the user manual about the hints is: It is now possible to provide hints to the optimizer by...
by Alexander Rubin | Apr 29, 2015 | MySQL
About 2 weeks ago Oracle published the MySQL 5.7.7-labs-json version which includes a very interesting feature called “Generated columns” (also know as Virtual or Computed columns). MariaDB has a similar feature as well: Virtual (Computed) Columns. The...
by Tom Diederich | Apr 24, 2015 | MySQL, Percona Events, Percona Live
With highlights that included news of Percona’s acquisition of Tokutek, a lively keynote discussion with Apple legend Steve “Woz” Wozniak, scores of technical sessions, tutorials and a festive MySQL community dinner and game night, last week’s...
by Miguel Angel Nieto | Apr 15, 2015 | MySQL
Data inconsistencies in replication environments are a pretty common. There are lots of posts that explain how to fix those using pt-table-checksum and pt-table-sync. Usually we only care about the data but from time to time we receive this question in support: How...
by Stephane Combaudon | Apr 1, 2015 | MySQL
Recently Todd Farmer shared an interesting story about the mysql command line prompt in MySQL 5.7: how it was changed to provide more context and why the change was finally reverted. This made me think that after using the command line client for MongoDB for awhile, I...
by Jon Tobin | Feb 25, 2015 | MySQL
In Mo’ Data, Mo’ Problems, we explored the paradox that “Big Data” projects pose to organizations and how Tokutek is taking an innovative approach to solving those problems. In this post, we’re going to talk about another hot topic in IT, “The Cloud,” and how...
by Liz van Dijk | Jan 16, 2015 | MySQL, Percona Events
As you may already be aware, FOSDEM and its wonderful MySQL and Friends track are once again descending upon the campus of the ULB in Brussels, Belgium. Logically, a traditional MySQL and Friends Community Dinner must follow! Signups for that dinner, on January 31,...
by Kortney Runyan | Jan 13, 2015 | MySQL, Percona Live
Today we announced the full conference sessions schedule for April’s Percona Live MySQL Conference & Expo 2015 and this year’s event, once again at the Hyatt Regency Santa Clara and Santa Clara Convention Center, looks to be the biggest yet with networking and...
by Miguel Angel Nieto | Jan 6, 2015 | Insight for DBAs, MySQL
We have been using SHOW ENGINE INNODB MUTEX command for years. It shows us mutex and rw-lock information that could be useful during service troubleshooting in case of performance problems. As Morgan Tocker announced in his blog post the command will be removed from...
by Przemysław Malkowski | Jan 5, 2015 | Insight for DBAs, MariaDB, MySQL, Percona Software
Sometimes it is desired to use particular software versions in production, and not necessary the latest ones. There may be several reasons for that, where I think the most common is when a new version should spend some time in testing or a staging environment before...
by Peter Boros | Dec 4, 2014 | Insight for DBAs, MySQL, Webinars
Fact: MySQL is the most commonly used database in OpenStack deployments. Of course that includes a number of MySQL variants – standard MySQL by Oracle, MariaDB, Percona Server, MySQL Galera, Percona XtraDB Cluster, etc. However, there are many misconceptions and...
by Tom Diederich | Dec 4, 2014 | MySQL, Percona Events, Percona Live
You know you’ll be there so why not save some $$ by registering now for the Percona Live MySQL Conference & Expo 2015 (April 13-16 in Santa Clara, Calif.). Super Saver registration discounts are available through Dec. 14 at 11:30 p.m. PST. (That’s just 10...
by Terry Erisman | Nov 11, 2014 | MySQL, Percona Events, Percona Live
The Percona Live MySQL Conference in Silicon Valley (April 13-16, 2015) features a full day of tutorial sessions and three full days with keynote talks and breakout sessions from leading MySQL experts from around the world. Birds of a Feather sessions, two networking...
by Frederic Descamps | Oct 27, 2014 | MySQL, Percona Events
You can already feel the cold of February coming slowly… you can also smell waffles, fries and see a large amount of beards walking around with laptops… you are right, FOSDEM is coming! And as every year, the MySQL Community will also be present! For the...
by Tom Diederich | Oct 22, 2014 | MySQL, Percona Live
The countdown is on for Europe’s largest annual MySQL event, Percona Live London 2014. The two days of technical tutorials and sessions, November 3-4, will focus on the latest MySQL industry trends, news, best practices – and a look at what’s on the...
by Peter Zaitsev | Sep 16, 2014 | MySQL, Percona Live
Percona Live London 2014 is fast approaching – November is just around the corner. This year’s conference, November 3-4, will be even bigger and better than last year thanks to the participation of leading MySQL experts the world over (including you!). The Percona...
by Tom Diederich | Mar 3, 2014 | Insight for DBAs, Insight for Developers, MySQL, Percona Live
MySQL Fabric is an integrated framework for managing farms of MySQL servers with support for both high-availability and sharding. Its development has been spearheaded by Mats Kindahl, senior principal software developer in MySQL at Oracle. Mats is leading the MySQL...
by Tom Diederich | Feb 18, 2014 | MySQL, Percona Live
Today’s post features an interview with Morgan Tocker, MySQL community manager at Oracle. Morgan is an old friend of Percona, having worked here as director of MySQL training from 2009 to 2011. He’s also done stints at MySQL, Sun Microsystems and...
by Peter Zaitsev | Jan 30, 2014 | MySQL, Percona Events, Percona Live
The Percona Live MySQL Conference and Expo 2014 is just two months away. I’m very excited about this year’s event which continues our tradition of open technical discussions and inviting all parties to the table. We have a great amount of technical talks...
by Tom Diederich | Dec 11, 2013 | MySQL, Percona Live
MySQL gurus from Oracle, Facebook, Google, LinkedIn, Twitter, Yelp (and more) have submitted papers and will speak at the third annual Percona Live MySQL Conference and Expo 2014 in sunny Santa Clara, California this coming April 1-4. If you attended last April’s...