July 25, 2014

Using MySQL 5.6 Performance Schema in multi-tenant environments

Hosting a shared MySQL instance for your internal or external clients (“multi-tenant”) was always a challenge. Multi-tenants approach or a “schema-per-customer” approach is pretty common nowadays to host multiple clients on the same MySQL sever. One of issues of this approach, however, is the lack of visibility: it is hard to tell how many resources (queries, disk, […]

Facebook’s Yoshinori Matsunobu on MySQL, WebScaleSQL & Percona Live

I spoke with Facebook database engineer Yoshinori Matsunobu here at Percona Live 2014 today about a range of topics, including MySQL at Facebook, the company’s recent move to WebScaleSQL, new MySQL flash storage technologies – and why attending the Percona Live MySQL Conference and Expo each year is very important to him. Facebook engineers are hosting several […]

Open Source Appreciation Day at the Percona Live MySQL Conference

I am very pleased to announce a new event in conjunction with the Percona Live MySQL Conference and Expo this year: Open Source Appreciation Day on Monday, March 31st in the Santa Clara Convention Center! We are pleased to announce two separate groups holding events this year under this new umbrella. We are hosting an […]

Learn About MySQL 5.6 at the Percona Live MySQL Conference

5.6 has redefined MySQL performance and usability. Some great talks at the Percona Live MySQL Conference and Expo will provide insight into the new features and benefits of this major release. The conference is April 22-25, 2013 at the Santa Clara Convention Center and Hyatt Santa Clara. Monday evening features the conference Welcome Reception where […]

How Can Percona MySQL Server Development Services Help ?

At Percona we offer a number of services. One of them, Custom MySQL Server Development, is commonly the most misunderstood and undervalued. There are a lot of ways Percona custom MySQL server development can help your business be more successful with MySQL. Here are some ways: Bugs – There are Bugs in MySQL, Percona Server, […]

MySQL Wish for 2013 – Better Memory Accounting

With Performance Schema improvements in MySQL 5.6 I think we’re in the good shape with insight on what is causing performance bottlenecks as well as where CPU resources are spent. (Performance Schema does not accounts CPU usage directly but it is something which can be relatively easily derived from wait and stage information). Where we’re […]

MySQL performance on EC2/EBS versus RDS

A while ago I started a series of posts showing benchmark results on Amazon EC2 servers with RAID’ed EBS volumes and MySQL, versus RDS machines. For reasons that won’t add anything to this discussion, I got sidetracked, and then time passed, and I no longer think it’s a good idea to publish those blog posts […]

Implementing Parallel Replication in MySQL

Based on discussions with several clients, we are strongly considering implementing a limited form of parallel replication. Single-threaded replication is one of the most severe limitations in the MySQL server. We have a brief outline of the ideas at this wiki blueprint. So far, the “binlog order” idea is the only one that is workable. […]

Upgrading MySQL

Upgrading MySQL Server is a very interesting task as you can approach it with so much different “depth”. For some this is 15 minutes job for others it is many month projects. Why is that ? Performing MySQL upgrade two things should normally worry you. It is Regressions – functionality regressions when what you’ve been […]

When would you use SAN with MySQL ?

One question which comes up very often is when one should use SAN with MySQL, which is especially popular among people got used to Oracle or other Enterprise database systems which are quite commonly deployed on SAN. My question in such case is always what exactly are you trying to get by using SAN ?