Query Optimization

OurSQL Episode 182: Optimizing MariaDB


16:25 minutes (7.67 MB)

This week we discuss new optimizer improvements in MariaDB 10. Ear Candy is about the MariaDB threadpool, and At the Movies is Oracle's Tomas Ulin talking about raising the bar with MySQL.

Events
DB Hangops - every other Wednesay at noon Pacific time

Upcoming MySQL events

Training
SkySQL Trainings

Tungsten University trainings

OurSQL Episode 126: Subqueries and Tracking


33:25 minutes (15.46 MB)

This week we present part 2 of optimizer enhancements in MySQL 5.6, including subquery optimizations and the new optimizer trace feature. Ear Candy talks about what "hole punching" is with regards to file systems. In At the Movies we present "How to Deal with Difficult People".

Events
Galera, SkySQL and MariaDB are doing a Road Show in Stockholm on February 7th.

Oracle's doing more MySQL tech tours. These seminars will be in the mornings, and are free. They will be on:
Friday, February 15th near Milan

OurSQL Episode 113: A JS API with JDD


29:36 minutes (13.7 MB)

While we were at MySQL Connect last month, we interviewed long-time MySQL developer JD Duncan about integrating NoSQL and JavaScript with MySQL. His team developed the Node.js API for MySQL. This week, we present the interview we did. In Ear Candy, we discuss what makes a senior DBA, and in At the Movies we present a ScaleBase webinar.

Events
Oracle's "Scale with MySQL" seminars:
Bucharest Romania, Tuesday 13 November
Madrid, Tuesday 27 November

OurSQL Episode 108: Legendary Searches


33:57 minutes (15.7 MB)

This week we present the Sphinx Storage Engine. Ear Candy is a gotcha about setting variables in the configuration file, and At the Movies is a video about MariaDB.

Events
MySQL Connect will be held in San Francisco on Saturday September 29th and Sunday September 30th. The schedule is now online.

OurSQL Episode 96: Talking about Nothing


33:34 minutes (15.52 MB)

This week we talk about NULLs and how to find the right data type.

Events
OSCon will be held Monday Jul 16th through Friday Jul 20th and has a data track. We did a podcast about OSCon, including a discount code!

MySQL Connect will be held in San Francisco on Saturday September 29th and Sunday September 30th. This is a technical conference about MySQL, bringing together MySQL engineers at Oracle and the MySQL Community, and will include sessions about the latest MySQL features and roadmaps. The schedule is now online.

OurSQL Episode 83: The NewSQL World


38:26 minutes (17.75 MB)

This week, we talk with Ori Herrnstadt, CTO of Akiban.

MariaDB announced their 5.3 GA and 5.5 alpha releases.

Oracle will be at DrupalCon in Denver, CO from Monday, March 19th through Friday, March 23rd.

Percona's XtraDB cluster announcement

OurSQL Episode 79: Removing Evil Queries, part 3


21:44 minutes (10.11 MB)

There are a lot of events scheduled for the next few months, we are excited about the international scope and the mix of big and small, paid and free events. This week we finish explaining the output of EXPLAIN. Ear candy is sshfs, at the movies is a presentation on joins and subqueries and how to optimize them.

Free OTN MySQL Developer Day, Singapore, Tuesday Feb 21st

Free OTN MySQL Developer Day, Paris, France, Tuesday Feb 21st

OurSQL Episode 78: Removing Evil Queries, part 2


28:09 minutes (13.04 MB)

This week, we continue our series on query optimization by talking about how to use EXPLAIN to optimize queries. Part 1 of the series.

Registration for Percona Live: MySQL Conference and Expo is open! The conference is from Tuesday, April 10th through Thursday, April 12th at the Santa Clara, CA convention center. Early bird pricing ends March 12th, 2012.
Use code PL-pod and save 10% off the early bird prices!
. Check out the tutorial and session schedule!

OurSQL Episode 77: Removing Evil Queries, part 1


33:05 minutes (15.3 MB)

This week, we talk about how to find mysql queries to optimize in part 1 of a series on query optimization.

Registration for Percona Live: MySQL Conference and Expo is open! The conference is from Tuesday, April 10th through Thursday, April 12th. Early bird pricing ends March 12th, 2012.
Use code PL-pod and save 10% off the early bird prices!.

The 1st Latin American Conference about MySQL, NoSQL and Cloud technologies will be held in Buenos Aires in June. It is called the MariaDB NoSQL & Cloud Latin American Conference and we'll bring you more information as it becomes available.

Video: Chasing Bottlenecks

Video for the presentation at the 2009 MySQL Camp:
Chasing Bottlenecks
by Morgan Tocker

Description:
The best way to performance tune a system is to find out what your bottlenecks are, and attacking those first. In the first part of this session, I'll be looking at some of the issues faced with common database workloads. From there, I'll then be showing how you can get more information out of MySQL and your Operating System to find out about your workload. This session is designed for beginner to intermediate MySQL users.

Video: Map/Reduce and Queues for MySQL Using Gearman

Video for the presentation at the 2009 MySQL Conference:
Map/Reduce and Queues for MySQL Using Gearman
Eric Day (Sun Microsystems), Brian Aker (Sun Microsystems, Inc.)

The official conference page is at
http://www.mysqlconf.com/mysql2009/public/schedule/detail/7346

Download the PDF slides.

Video: Top 10 MySQL Pet Peeves and How to Workaround Them

Video for the presentation at the 2009 MySQL Camp:
Top 10 MySQL Pet Peeves and How to Workaround Them
Jeremy Zawodny

Watch it online here:

Download the 106 Mb .mov file at <

Video: Beginner Guide to Website Performance with MySQL and memcached

Video for the presentation at the 2009 MySQL Conference:

Beginner's Guide to Website Performance with MySQL and memcached
Adam Donnison (Sun Microsystems)

Slides

The official conference page is at http://www.mysqlconf.com/mysql2009/public/schedule/detail/7009

Video: Advanced Query Manipulation with MySQL Proxy

Video for the presentation at the 2009 MySQL Conference

Advanced Query Manipulation with MySQL Proxy
Kay Roepke (Sun Microsystems)

The official conference page is at http://www.mysqlconf.com/mysql2009/public/schedule/detail/7040

Video: Testing with the MySQL Random Query Generator

Video from the 2009 MySQL Conference presentation:

If You Love It, Break It: Testing MySQL with the Random Query Generator Philip Stoev (Sun Microsystems)

The description is at:
http://www.mysqlconf.com/mysql2009/public/schedule/detail/6363

Download the presentation slides (ppt).