July 29, 2014

Database security: Why should you review yours?

Ah database security… the black sheep of topics and something you would really rather not have to deal with right? I mean surely all the fanfare and paranoia is reserved for the neck beards with tinfoil hats whom live in their own D.I.Y Faraday cage … that must be it … it just has to […]

How to create a new Percona XtraDB Cluster with ClusterControl

We recently announced Percona ClusterControl supplied in partnership with Severalnines. This enterprise-grade cluster management and monitoring software is available with a Percona Support contract covering Percona XtraDB Cluster, MySQL Cluster, or MySQL Galera. In this blog post I am going to show you how to use Percona ClusterControl to to create a new 3-node cluster with Percona XtraDB Cluster. Percona […]

How to Extract All Running Queries (Including the Last Executed Statement) from a Core File?

This post builds on the How to obtain the “LES” (Last Executed Statement) from an Optimized Core Dump? post written about a year ago. A day after that post was released, Shane Bester wrote an improved version, How to obtain all executing queries from a core file on his blog. Reading that post is key […]

Introducing Percona Cloud Tools for MySQL

I am proud to announce Percona Cloud Tools, the next generation of tools for MySQL.  I have been developing tools for MySQL for 10 years.  For the last 5 years, I have been developing Percona Toolkit (formerly “Maatkit”).  Almost 1 year ago, we began developing Percona Cloud Tools (PCT), first in-house, then in private beta, […]

5 reasons why MySQL replication lag is flapping between 0 and XXXXX

Working day to day with Percona Remote DBA customers, we have been facing an issue from time to time when MySQL replication lag is flapping between 0 and XXXXX constantly – i.e. Seconds_Behind_Master is 0 for a few secs, then it’s like 6287 or 25341, again 0 and so on. I would like to note […]

September: A busy month for MySQL events

Now with summer winding down and school back in session, we get into a very busy time with many great opportunities to discover more about MySQL with several excellent MySQL events. At first I wanted to cover all autumn events here but if I did that this post would be far too long. So instead I’m […]

MySQL Security Webinar: Follow-up Q&A

Thanks to everyone who attended last week’s webinar on MySQL security; hopefully you’ve all gone out and set SELinux to enforcing mode if you weren’t already running that way. If you weren’t able to attend, the recording and slides are available for viewing/download. But now, without further ado, here are the questions which we didn’t […]

Can you really be Bias free ?

When we started Percona about 7 years ago one of the ideas behind the business was to provide customer focused services, which I refereed to as “bias free” at the time. What do I mean by customer focused services ? Is not this something most of the company out there would claim ? Not in […]

Percona Server 5.6 Webinar follow-up and Q&A

Good news everyone! I recently presented a webinar: Percona Server 5.6: Enterprise Grade MySQL. It was also recorded so you can watch along or view the slide deck. As with all my talks, I am not simply reading the slides so it really is worth to listen to the audio rather than just glance through […]

Percona XtraDB Cluster operations MySQL Webinar follow-up questions anwsered

Thanks to all who attended my PXC Operations webinar last week.  If you missed it you can watch the video here. I wanted to take some time to answer the questions I didn’t get to during the broadcast. Is there an easy way to leverage the xtrabackup SST and IST in an xtradb cluster to […]