Author - Ryan Lowe

Percona Welcomes Sasha Pachev

Percona is pleased to officially (and belatedly) welcome Sasha Pachev to our team of consultants.
Before joining Percona, Sasha worked as an independent MySQL consultant. Sasha was the original implementer and maintainer of MySQL replication from 3.23 to 4.02. He is also the author of MySQL Enterprise Solutions and Understanding MySQL Internals.
Sasha, […]

Read more

Percona Welcomes Justin Swanhart

Percona is pleased to officially welcome Justin Swanhart to our team of consultants.
Before joining Percona, Justin worked as a MySQL DBA at Gazillion, Yahoo, and Kickfire. Justin has become a regular contributor here on the MySQL Performance Blog as well as being an active blogger at http://swanhart.livejournal.com/. He is very active in […]

Read more

Tuning InnoDB Concurrency Tickets

InnoDB has an oft-unused parameter innodb_concurrency_tickets that seems widely misunderstood. From the docs: “The number of threads that can enter InnoDB concurrently is determined by the innodb_thread_concurrency variable. A thread is placed in a queue when it tries to enter InnoDB if the number of threads has already reached the concurrency […]

Read more