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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...
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Getting Percona PAM to work with Percona Server & its client apps
Percona Server is bundled with the PAM plugin which opens a plethora of ways to authenticate to MySQL such as restricting time when users can connect to MySQL, authenticate via a USB key, authenticate...
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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...
View ArticlePercona XtraDB Cluster 5.5.33-23.7.6 is now available
Percona is glad to announce the release of Percona XtraDB Cluster 5.5.33-23.7.6 on September 18, 2013. Binaries are available from the downloads area or from our software repositories.New...
View ArticlePercona XtraDB Cluster: Setting up a simple cluster
Percona XtraDB Cluster (PXC) is different enough from async replication that it can be a bit of a puzzle how to do things the Galera way. This post will attempt to illustrate the basics of setting up...
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My Percona Live UK 2013 Tutorial: MySQL DBA In A Nutshell! Hands On!
Do you want to get more familiar on how to become a MySQL DBA?Are you a developer familiar with writing applications that use MySQL but you feel a bit limited on how to manage a MySQL Database?I would...
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SSL Performance Overhead in MySQL
NOTE: This is part 1 of what will be a two-part series on the performance implications of using in-flight data encryption.Some of you may recall my security webinar from back in mid-August; one of the...
View ArticleHow to Extract All Running Queries (Including the Last Executed Statement)...
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...
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QA: Advanced Option Combinatorics (Pairwise Testing): Combinatorial mysqld...
How do we ensure that, when we have 35+ testable option combinations for mysqld, we test each and every combination of them? For example: will a different innodb_log_file_size combined with more...
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MySQL encryption performance, revisited
This is part two on a two-part series on the performance implications of in-flight data encryption with MySQL. In the first part, I focused specifically on the impact of using MySQL’s built-in SSL...
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Download insightful MySQL presentations from Percona Live London 2013
The MySQL community came together last month for two days of outstanding technical tutorials and sessions at Percona Live London. And now many of those MySQL presentations are available for free...
View ArticleLinux performance tuning tips for MySQL
Because most MySQL production systems probably run on Linux, I’ve decided to place the most important Linux tuning tips that will help improve MySQL performance. There is nothing new here, most of them...
View ArticleThe use of Iptables ClusterIP target as a load balancer for PXC, PRM, MHA and...
Most technologies achieving high-availability for MySQL need a load-balancer to spread the client connections to a valid database host, even the Tungsten special connector can be seen as a...
View ArticleNotes from the Newb
Notes from the Newb.I’m relatively new to MySQL having come from the world of embedded micro-databases, and though I’m pretty familiar with a number of database systems, I’ve discovered that I have a...
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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...
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Innodb redo log archiving
Percona Server 5.6.11-60.3 introduces a new “log archiving” feature. Percona XtraBackup 2.1.5 supports “apply archived logs.” What does it mean and how it can be used?Percona products propose three...
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ScaleArc: Benchmarking with sysbench
ScaleArc recently hired Percona to perform various tests on its database traffic management product. This post is the outcome of the benchmarks carried out by Uday Sawant (ScaleArc) and myself. You can...
View ArticleHeartbleed: Separating FAQ From FUD
If you’ve been following this blog (my colleague, David Busby, posted about it yesterday) or any tech news outlet in the past few days, you’ve probably seen some mention of the “Heartbleed”...
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Percona Live MySQL Conference Highlights
The Percona Live MySQL Conference and Expo 2014 was March 31st through April 4th in Santa Clara, California. I heard numerous positive comments from attendees and saw even more on social media. Our...
View ArticleAdvisory on Heartbleed (CVE-2014-0160) for Percona’s customers and users
Over the last few days, the Percona team has spent a lot of time evaluating the impact of the Heartbleed bug (CVE-2014-0160) for our customers and for the users of our software. We published a formal...
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