Performance

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 167: Data, Data Everywhere


25:58 minutes (12.04 MB)

This week we discuss test data sets. Ear Candy is errata from Episode 165 on Galera Cluster, and At the Movies is "Runaway Complexity in Big Data"

Test Data Sets
Episode 81, where we talked about different benchmark tools
Sysbench - general version
Percona's sysbench tests

Factors: # tables, concurrency, data set size

Episode 143, where we did an ear candy featuring Morgan Tocker's article on estimating MySQL's working set with INFORMATION_SCHEMA

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 158: Know Your Forks


27:17 minutes (12.64 MB)

This week we discuss features of Percona Server 5.6 compared to MySQL 5.6. Ear Candy is about pt-upgrade, and At the Movies is a set of lightning talks.

Events
DB Hangops - every other Wednesay at noon Pacific time

Upcoming MySQL events

Percona Live London 2013 is happening Monday November 11th and Tuesday November 12th, 2013 at the Millenium Gloucester Conference Center

Training
SkySQL Trainings

OurSQL Episode 147: It's Web Scale


31:05 minutes (14.39 MB)

This week we talk with Tim Callaghan of Tokutek about TokuMX, a take on MongoDB. Ear Candy is perror on Windows and At the Movies is a presentation from the SkySQL and MariaDB Solutions Day 2013 about Tokutek.

TokuMX

Replication between MySQL and MongoDB using Tungsten a couple of years ago at Open DB Camp in Sardinia (2011).

Previous interviews with Tokutek folks in:
Episode 39

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 144: Biblical Tools, part 2


22:13 minutes (10.33 MB)

This week we continue talking about the Openark Kit. Ear candy is the Percona Configuration Wizard, and At the Movies is a keynote from the SkySQL and MariaDB Solutions Day about the SkySQL and MariaDB merger and the MariaDB Foundation.

Openark Kit series:
Part 1
Part 3

Events
DB Hangops - every other Wednesay at noon Pacific time

Upcoming MySQL events

Training
SkySQL Trainings

OurSQL Episode 141: Performance Enhancements


29:07 minutes (13.49 MB)

This week we talk about server and status variables relating to the performance schema and the ps_helper tool. Ear Candy is an sql_mode bug, and At the Movies is a performance_schema and ps_helper webinar.

Performance Schema Variables
MySQL 5.5 performance schema variables
MySQL 5.6 performance schema variables - many options are auto-sized


SHOW GLOBAL VARIABLES LIKE 'performance_schema%';

OurSQL Episode 140: More Performance


33:55 minutes (15.68 MB)

This week we explain performance_schema a bit deeper. In Ear Candy, we talk about max_binlog_cache_size and At the Movies presents Max Mether of SkySQL talking about "High Availability Solutions for MySQL".

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

Training
SkySQL Trainings
Tungsten University trainings

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 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 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