Percona is glad to announce the release of Percona XtraBackup 1.6.3 on 22 September, 2011 (Downloads are available here and from the Percona Software Repositories). This release is purely composed of bug fixes and is the current stable release of Percona Xtrabackup. If the innodb_file_per_table server option is being used and DDL operations, TRUNCATE TABLE, DROP/CREATE the_same_table or ALTER statements on InnoDB tables are [...]
Percona Server 5.5.11-20.2 Stable Release
April 28, 2011 By 1 Comment
Percona Server 5.5.11-20.2 is now available for download, including an experimental build for MacOS. Released on April 28, 2011, it is the current stable release in the the 5.5 series. New Features HandlerSocket, a NoSQL plugin for MySQL, has been updated to the latest stable version as April 11th, 2011. InnoDB fast index creation now [...]
Optimizing slow web pages with mk-query-digest
April 7, 2011 By 14 Comments
I don’t use many tools in my consulting practice but for the ones I do, I try to know them as best as I can. I’ve been using mk-query-digest for almost as long as it exists but it continues to surprise me in ways I couldn’t imagine it would. This time I’d like to share [...]
How Percona strives to remain neutral and independent
March 21, 2011 By Leave a Comment
Many of the prominent companies in the MySQL ecosystem are Percona customers, including hardware manufacturers, software developers, hosted service providers, and appliance developers. We perform paid and unpaid research on their products, and we publish blog posts related to their products or services. Independence and objectivity are core Percona values. How do we balance the [...]
How Percona diagnoses MySQL server stalls
March 3, 2011 By 6 Comments
We receive many requests for help with server stalls. They come under various names: lockup, freeze, sudden slowdown. When something happens only once or twice a day, it can be difficult to catch it in action. Unfortunately, this often leads to trial-and-error approaches, which can drag on for days (or even months), and cause a [...]
Lost innodb tables, xfs and binary grep
November 9, 2010 By 12 Comments
Before I start a story about the data recovery case I worked on yesterday, here’s a quick tip – having a database backup does not mean you can restore from it. Always verify your backup can be used to restore the database! If not automatically, do this manually, at least once a month. No, seriously [...]
Percona Launches New Support Option for MySQL
October 5, 2010 By 9 Comments
We’ve just announced a new support offering for MySQL. There’s a press release here, and product information page here. But what does this new service really mean for you, in practical terms? This is actually important — it will open up a range of new choices for you. I’ll explain two major points that matter [...]
Announcing Percona Training Workshops for InnoDB and XtraDB
August 4, 2009 By 11 Comments
Today, we are announcing that we’re ready to offer training for InnoDB and XtraDB in Santa Clara and San Francisco. The course was developed by Morgan Tocker with input from all our team – and covers a lot of the performance problems we run through in our consulting practice. The Details: 14th Sept – Santa [...]
Maatkit Now Supports Memcached
July 24, 2009 By 10 Comments
Have you ever wondered how optimized your Memcached installation is? There is a common misconception that one doesn’t have to think too deeply about Memcached performance, but that is not true. If your setup is inefficient, you could: Burn Memory Waste Network Round-Trips Store Keys That Never Get Retrieved Have a Low Cache Hit Ratio [...]
Percona is hiring performance experts
February 13, 2009 By 2 Comments
Percona is hiring. We’ve added several experts recently and we’re growing at a fast but sustainable pace. The demand for our services is strong, and we have openings for more experts in the next couple of months. Let me explain a little about what we’re looking for at the moment. While we do have a [...]
