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CVE-2012-4414 strikes back in MySQL 5.5.29 (and what we’re doing in Percona Server 5.5.29)

 | January 13, 2013 |  Posted In: MySQL, Percona Software

In preparing Percona Server 5.5.29 (not yet released, but soon), I filed MySQL bug 68045 (is marked private as it’s a security bug). This bug is in relation to the Oracle fix for CVE-2012-4414 and a problem I found with it. The MariaDB fix (which we incorporated into Percona Server 5.5.28-29.3) is not affected. When the […]

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Webinar: Introduction to TokuDB v6.6

 | January 11, 2013 |  Posted In: Tokutek, TokuView

TokuDB® is a proven solution that scales MySQL® and MariaDB® from GBs to TBs with unmatched insert and query speed, compression, replication performance and online schema flexibility. Tokutek’s recently launched TokuDB v6.6 delivers all of these features and more, with additional improvements in multi-client, fast SQL updates, and in-memory performance. Date: January 15th Time: 2 PM EST / […]

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Join us for our first Percona MySQL University event in Raleigh, N.C. Jan 29

 | January 10, 2013 |  Posted In: Events and Announcements, MySQL

At Percona we focus on education a lot, which we believe is critical for us to be successful with our mission of making businesses successful with their use of MySQL. The MySQL Performance Blog, our first effort in this space, by now contains over 1,000 technical articles. We have spoken on countless conferences and Meetups […]

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Profiling MySQL Memory Usage With Valgrind Massif

 | January 9, 2013 |  Posted In: Insight for DBAs, Insight for Developers, MySQL, Quality Assurance

There are times where you need to know exactly how much memory the mysqld server (or any other program) is using, where (i.e. for what function) it was allocated, how it got there (a backtrace, please!), and at what point in time the allocation happened. For example; you may have noticed a sharp memory increase […]

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Percona Toolkit 2.1.8 released today with beta support for MySQL 5.6

 | January 9, 2013 |  Posted In: MySQL, Percona Software, Percona Toolkit

Percona Toolkit 2.1.8 was released today and the new version comes with some pretty cool news: Beta support for MySQL 5.6 (which as you might know is also in beta). In addition to various bug fixes, Percona Toolkit 2.1.8 also offers beta support for Percona XtraDB Cluster (PXC). Version 2.1.8 continues the trend of solid […]

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How does MySQL Replication really work?

 | January 9, 2013 |  Posted In: Insight for DBAs, MySQL

While we do have many blog posts on replication on our blog, such as on replication being single-threaded, on semi-synchronous replication or on estimating replication capacity, I don’t think we have one that covers the very basics of how MySQL replication really works on the high level. Or it’s been so long ago I can’t […]

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Announcing Percona Server 5.5.28-29.3

 | January 8, 2013 |  Posted In: MySQL

Percona is glad to announce the release of Percona Server 5.5.28-29.3 on January 8th, 2012 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.28, including all the bug fixes in it, Percona Server 5.5.28-29.3 is now the current stable release in the 5.5 series. All of Percona‘s software is open-source and free, all the details of the release can […]

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Announcing TokuDB v6.6: Performance Improvements

 | January 8, 2013 |  Posted In: Tokutek, TokuView

We are excited to announce TokuDB® v6.6, the latest version of Tokutek’s flagship storage engine for MySQL and MariaDB. This version offers three types of performance improvements: in-memory, multi-client and fast updates. Although TokuDB is optimized for large tables, which are larger than memory, many workloads consist of a mix of large and small tables. […]

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Percona’s widely read Percona Data Performance blog highlights our expertise in enterprise-class software, support, consulting and managed services solutions for both MySQL® and MongoDB® across traditional and cloud-based platforms. The decades of experience represented by our consultants is found daily in numerous and relevant blog posts.

Besides specific database help, the blog also provides notices on upcoming events and webinars.
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