Jay Janssen

Consulting Lead, Percona

Jay Janssen started using MySQL over 13 years ago, but honed his skills during 7 years at Yahoo as a High Availability Consultant specializing in MySQL. He joined Percona in 2011 and is a Managing Consultant there specializing in Percona XtraDB Cluster and High Availability architectures. He tweets at @jayjanssen

Submitted Sessions

Once MySQL users discover dual-master replication, they are often tempted to allow their applications to write to both at the same time. This talk will explore the dangers of doing so as well as the (limited) possibilities it allows.

Illustrated examples will be used to show how this breaks down ACID compliance at fundamental levels.

This talk would be targeted to beginner/... [read more]

This tutorial will utilize laptop-based VMs to guide attendees through the basics of setup and administration of XtraDB cluster. Covered topics will be:

Migration from standard mysql to xtradb cluster Configuration differences between standard mysql and xtradb cluster Monitoring cluster node states Adding nodes to the cluster and various SST methods Setting up load balancing for... [read more]

This tutorial will utilize laptop-based VMs to guide attendees through the basics of setup and administration of XtraDB cluster. Covered topics will be:

Migration from standard mysql to xtradb cluster Configuration differences between standard mysql and xtradb cluster Monitoring cluster node states Adding nodes to the cluster and various SST methods Setting up load balancing for... [read more]

myq_gadgets is an open source toolkit of perl scripts I wrote long ago to help me more easily observe rates of change of global status variables in MySQL in an IO-stat style output.

This talk will introduce these tools and illustrate ways they can be helpful in monitoring and diagnosing MySQL issues with replication, Innodb, the query cache, application / database interaction, and... [read more]

A lot of people are interested in XtraDB Cluster as a replacement for conventional MySQL master/slave architectures to eliminate replication lag and finally achieve a highly-available masterless cluster of MySQL servers. But what would migration look like?

Group discussion about the state of Galera/PXC with PXC experts from Percona and Galera authors from Codership.

You can bookmark the sessions you would like to attend by clicking on the "Add to your schedule" link on each session's page.
To review the list of bookmarked talks, visit to Your Schedule