Server Tuning

OurSQL Episode 180: Sharing the Load


24:43 minutes (11.47 MB)

This week we talk to Justin Swanhart about Shard-Query, a massively parallel processing query engine for MySQL. Ear candy is about mydumper, and At the Movies is "Common Deadly MySQL Development Mistakes."

Events
Percona Live
DB Hangops - every other Wednesay at noon Pacific time
Upcoming MySQL events

Training
SkySQL Trainings

OurSQL Episode 172: A New Proxy


31:47 minutes (14.71 MB)

This week, we talk with Ivan Zoratti of SkySQL about MaxScale, a new MySQL proxy. Ear Candy is about accidentally removing a dependent package, and At the Movies is a DB Hangops recording of MaxScale, replication saturation and monitoring.

Events
DB Hangops - every other Wednesay at noon Pacific time
Upcoming MySQL events, including Tech Tours

Training
SkySQL Trainings
Tungsten University trainings

OurSQL Episode 166: Top Hat Options


32:21 minutes (14.96 MB)

This week we discuss fine-tuning Galera Cluster. In this week's ear candy we talk about recent changes to mysqldump and locking; At the Movies presents "Using Amazon Web Services for MySQL at Scale".

Events
DB Hangops - every other Wednesay at noon Pacific time
FOSDEM 2014 - Sat February 1 - Sun February 2 in Brussels, Belgium.
Upcoming MySQL events

Training
SkySQL Trainings

OurSQL Episode 165: Top Hat Cluster


28:20 minutes (13.12 MB)

This week we talk about how to install and set up Galera Cluster. Ear Candy talks about the new MySQL repos from Oracle and what to know about using them; At the Movies is Michael Stonebreaker talking about how to process today's big data transactional processing needs.

Galera Cluster
Codership documentation of Galera Cluster
Installing Percona XtraDB Cluster on Ubuntu documentation
MariaDB's Galera Cluster documentation

OurSQL Episode 145: Biblical Tools, part 3


21:46 minutes (10.12 MB)

This week we finish up talking about the Openark Kit for MySQL. Ear Candy is using both --master-data and --tab with mysqldump, and At the Movies features Robert Hodges of Continuent presenting Scalable MySQL Operation in the Cloud with Continuent Tungsten.

Openark Kit series:
Part 1
Part 2

Openark Kit
oak-purge-master-logs
PURGE BINARY LOGS at the MySQL manual page.

OurSQL Episode 139: Starting to Perform


23:34 minutes (10.94 MB)

This week we discuss the basics of using the performance schema in MySQL 5.5 and 5.6. Ear Candy is about a temporal gotcha when using dates and times that do not exist, and At the Movies is David Stokes giving some useful for System Administrators who also are in a DBA role.

News
Continuent's Tungsten Replicator is now completely open source
TokuDB is now open source

OurSQL Episode 138: The Relevance of Tungsten


25:36 minutes (11.87 MB)

This week we discuss Tungsten and MySQL 5.6 replication with friend of the show, Giuseppe Maxia (aka the Data Charmer). Ear Candy is MariaDB's Cassandra storage engine, and At the Movies is Giuseppe's "MySQL 5.6 Replication – features and usability" video from Open Database Camp.

Events
DB Hangops in May will be Wed May 8th and 22nd.
Upcoming MySQL tech tours

Training
SkySQL Trainings
Tungsten University trainings

OurSQL Episode 136: Digging for Information


39:41 minutes (18.8 MB)

We discuss INFORMATION_SCHEMA with plenty of examples on useful queries. In this week's Ear Candy, we talk about resident versus virtual memory on Linux, and in At the Movies has a video about MongoDB.

Events
DB Hangops in May will be Wed May 8th and 22nd noon pacific time.
Upcoming MySQL tech tours

Training
SkySQL Trainings
Tungsten University trainings

OurSQL Episode 135: Another Kind of Buffer


27:50 minutes (13.37 MB)

This week, we explain the InnoDB and Memcached integration in MySQL 5.6. Ear Candy is about the nonexistent 2-step deadlock detection in MariaDB and At the Movies is Colin Charles talking about the features of MariaDB 10.

InnoDB and memcached in MySQL 5.6
memcached official page
InnoDB integration with memcached MySQL manual page
History of the term NoSQL
setting up the InnoDB memcached plugin in MySQL 5.6

OurSQL Episode 133: MySQL on Auto-Tune


29:20 minutes (14.06 MB)

This week, we talk about variables with changed default values in MySQL 5.6. Ear Candy is the pt-config-diff tool and At the Movies is Tim Callaghan of Tokutek talking about Fractal Trees.

Changed Defaults in MySQL 5.6

Percona's article about default variable differences in MySQL 5.5 and MySQL 5.6

MySQL 5.6 manual page about changes to server defaults in MySQL 5.6.

back_log

OurSQL Episode 132: New and Shiny!


29:45 minutes (14.25 MB)

This week we discuss new variables in MySQL 5.6. Ear Candy talks about a problem with XFS performance on a Linux kernel, and At the Movies discusses columnar databases.

@eRadical points out a correction to episode 130 - multiple InnoDB buffer pools were new in MySQL 5.5, not MySQL 5.6.

Events

Upcoming MySQL tech tours

Call for Papers for MySQL Connect is open! The call closes Friday, April 12th.

OurSQL Episode 131: Fresh Variables


29:34 minutes (13.69 MB)

This week we discuss changed behavior of variables in MySQL 5.6. In ear candy we talk about a cloud-based service to play with SQL on different databases, and At the Movies is Stewart Smith of Percona talking about MySQL in the Cloud as a Service during Linux Conf Australia in Canberra.

Changed behavior of variables in 5.6
boolean variables can be set to ON/OFF 1/0 TRUE/FALSE

Variables with changes:
log_slave_updates

OurSQL Episode 130: Retired Variables


28:00 minutes (12.97 MB)

This week we discuss deprecated, removed and ignored variables in MySQL 5.6. Ear Candy is about innodb_file_per_table enabled by default, and At the Movies is "Different MySQL Forks for Different MySQL Folks".

Events
Upcoming MySQL tech tours

Open Database Camp will be part of the Northeast LinuxFest at Harvard University, Cambridge MA Saturday March 16th and Sunday March 17th, 2013. You can register and submit presentations on the opensqlcamp.org website.

OurSQL Episode 128: Your Global ID Please


29:29 minutes (13.65 MB)

This week, we discuss GTIDs in MySQL 5.6 and how they work with replication. In Ear Candy, we link to an extremely useful resource for complicated MySQL query patterns. In At the Movies, we present The Finer Art of Being a 'Senior' Employee.

Events
Oracle's upcoming webinars:
MySQL Security Enhancements and Important Security Tips for ISVs and OEMs on Thursday, February 21st.

MySQL Performance and Scalability in Spanish Thursday, February 28th.

OurSQL Episode 127: No Sweat Slaves


29:05 minutes (13.47 MB)

This week we begin to discuss replication features in MySQL 5.6. Ear Candy is a LOAD DATA INFILE bug and using CSV to get beyond it; At the Movies is Suzan Bond talking about "The Art of Self-Sourcing".

Events
Oracle's doing more MySQL tech tours. These seminars will be in the mornings, and are free. They will be on:
Tuesday, February 19th in Petach Tikva, Israel
Thursday, February 21st in Oslo and Brussels