MariaDB 10.0 had a stable release last month. It is a good time to take a look and see how it compares to the stable version of MySQL, MySQL 5.6 (as for Percona Server, it doesn’t have its own optimizer features).
Changelogs and release notes have all the details, but it’s difficult to see the big picture. So I went for diagrams, and the result is a short article titled What is the difference between MySQL and MariaDB query optimizers. It should give one a clue about what are the recent developments in query optimizers in MySQL world.

In case you’re interested in details about optimizer features in MariaDB 10.0, I’ve shared slides from a talk about MariaDB 10.0 query optimizer.

There are a couple of posts about setting up Percona XtraDB Cluster on Vagrant and Percona Server on MySQL Sandbox – those are two of the top tools used by the Percona Support team for testing and bug processing among other things.

In this post, however, I will show you how to use Docker with Percona Server on Ubuntu 12.04.

As per Docker’s official site:

Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere.

Docker containers can encapsulate any payload, and will run …

The MariaDB project is pleased to announce the immediate availability of MariaDB 10.0.11. This is a Stable (GA) release.

See the Release Notes and Changelog for detailed information on this release and the What is MariaDB 10.0? page in the MariaDB Knowledge Base for general information about the MariaDB 10.0 series.

Download MariaDB 10.0.11

Release Notes …

The PHP UnConference is taking place on May 17-18, 2014 on the Island of Majorka. MySQL team is going to be presented by Ulf Wendel at this event. As usual for all UnConferences there is no sessions/talks schedule announced prior the conference, attendees might vote for the most interesting topics at the event. So, do not miss to come to PHP UnConference at lovely Island of Majorka!! (in the case you still do not know whether come or not, maybe the price of tickets, weather forecast and/or flight ticket from several locations might convince you...). 

The Solutions Linux & OpenSource …

DROP DATABASE IF EXISTS `gtid_test`;
CREATE DATABASE `gtid_test`;
USE `gtid_test`;

CREATE TABLE `tab1` (
`a` INT
) ENGINE=MYISAM ;

CREATE TABLE `tab2` (
`b` INT
) ENGINE=INNODB;

SET autocommit=0;

INSERT INTO `tab1` VALUES (1);
INSERT INTO `tab2` VALUES (1);

UPDATE `tab1` SET `a` = 5 WHERE `a` = 1;

– Error Code: 1785
— When @@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1, updates to non-transactional tables can only be done in either autocommitted statements or single-statement transactions, and never in the same statement as updates to transactional tables.

This happens with MySQL 5.6 GTIDs (Global Transaction IDs) enabled and it is documented here: …

Achieving the best possible MySQL Performance doesn’t have to be complicated. It’s all about knowing which tools are designed for the task at hand – along with some basic (yet often overlooked) best practices.

Join me Wednesday, May 14 at 10 a.m. Pacific for a free webinar titled, “Practical MySQL performance optimization.” I’ll be sharing the main areas for improving MySQL performance – along with what to specifically focus on in each. These will include:

• Hardware
• MySQL Configuration
• Schema and Queries
• Application Architecture

And as I mentioned earlier, I’ll also show you the best tools for the job and how …

The Perfect Server - OpenSUSE 13.1 x86_64 (Apache2, Dovecot, ISPConfig 3)

This is a detailed description about how to set up an OpenSUSE 13.1 64bit (x86_64) server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable) with PHP, CGI and SSI support, Postfix mail server with SMTP-AUTH, TLS and virtual mail users, BIND DNS server, Pureftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, Mailman, etc. Since version 3.0.4, ISPConfig comes with full support for the nginx web server in addition to Apache; this tutorial covers the setup of a server that uses Apache, not nginx.

When you use MySQL and PHP, a PHP script can retrieve data from a MySQL database to display on the web page before the page is returned to the client. Such pages are known as dynamic web pages and can perform multiple actions including sending e-mails, embedding other web page content and interacting with databases. 

To learn more about developing on the web with MySQL and PHP, take the MySQL and PHP: Developing Dynamic Web Applications course. You can take this 4-day live instructor-led course as a:

• Live-Virtual Event: Attend a live event from your own desk - no travel required. Choose from a selection of your events already on the schedule including 22nd July, 9th September and 27th October 2014.
• In-Class Event: …

SELF14′s Zero to DBA track is back and starts with MySQL 5.7 – What is new, what is changing, and what we are breaking. The SouthEast Linux Fest has had amazing sessions and a strong database track in previous years. This year is more great content and you really need to plan on attending June 20th through the 22nd on Charlotte, NC. The social events around this show are fun and relaxed. And, after a short delay, you can see all sessions on SELF’s Youtube channel so you can really see sessions that conflict with your primary choices. This year the venue has changed to a more central location near the airport and their are lots of activities in the area for your family to enjoy in the beautiful surrounding while you get your tech itch scratched.

…

Background: If you did not read my first blog post about why I am sharing my thoughts on the benchmarks published by Mark Callaghan on Small Datum you may want to skim through it now for a little context: “Thoughts on Small Datum – Part 1”

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Last time, in “Thoughts on Small Datum – Part 2” I shared my cliff notes and a graph on Mark Callaghan’s (@markcallaghan) March 11th insertion rate benchmarks using flash storage media. In those tests he compares MySQL outfitted with the …