May 26, 2013

Announcing Percona XtraBackup 2.1.1 GA

May 15, 2013 By Leave a Comment

Percona is glad to announce the release of Percona XtraBackup 2.1.1 on May 15th 2013. Downloads are available from our download site here and Percona Software Repositories. Percona XtraBackup enables backups without blocking user queries, making it ideal for companies with large data sets and mission-critical applications that cannot tolerate long periods of downtime. Offered [...]

Filed Under: MySQL, Percona XtraBackup Tagged With:

Is Synchronous Replication right for your app?

May 14, 2013 By 17 Comments

I talk with lot of people who are really interested in Percona XtraDB Cluster (PXC) and mostly they are interested in PXC as a high-availability solution.  But, what they tend not to think too much about is if moving from async to synchronous replication is right for their application or not. Facts about Galera replication [...]

Filed Under: MySQL, Percona Software, XtraDB Cluster Tagged With: , , , , , ,

InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!

March 4, 2013 By 7 Comments

This is part 2 in a 3 part series. In part 1, we took a quick look at some initial configuration of InnoDB full-text search and discovered a little bit of quirky behavior; here, we are going to run some queries and compare the result sets. Our hope is that the one of two things [...]

Filed Under: Insight for DBAs, Insight for Developers, MySQL Tagged With: , , , , ,

Percona Server on the Raspberry Pi: Your own MySQL Database Server for Under $80

February 25, 2013 By 10 Comments

There are many reasons for wanting a small MySQL database server: You’re a uni student who wants to learn the SQL language better and needs a mini-testbox You’re a Windows user who wants to play around with Percona Server on Linux You’re a corporate application developer who wants a small SQL development & test box [...]

Filed Under: Hardware and Storage, Insight for DBAs, Insight for Developers, MySQL Tagged With: , , , ,

Percona Toolkit 2.1.9 is ready

February 15, 2013 By Leave a Comment

About a month ago, we held a bug raffle for Percona Toolkit 2.1.9.  The turnout was good and the resulting release is worth upgrading to, especially if you were affected by the backwards-incompatible changes to pt-heartbeat in 2.1.8.  Here are the release notes for Percona Toolkit 2.1.9 which highlight the bugs fixed: Percona Toolkit 2.1.9 has been released. [...]

Filed Under: Events and Announcements, Percona Software, Percona Toolkit Tagged With: , ,

Using pt-table-checksum with Percona XtraDB Cluster

October 15, 2012 By 2 Comments

As of Percona Toolkit v2.1.5, pt-table-checksum works correctly with Percona XtraDB Cluster, but it doesn’t work quite like a traditional replication setup because cluster nodes are not like traditional replicas.  In this post I demonstrate how to use pt-table-checksum with Percona XtraDB Cluster. First, you’ll need Percona Toolkit v2.1.5 or newer and Percona XtraDB Cluster 5.5.27-23.6 [...]

Filed Under: Insight for DBAs, Percona Software, XtraDB Cluster Tagged With: ,

Avoiding SST when adding new Percona XtraDB Cluster node

August 2, 2012 By Leave a Comment

Some people want to use a backup to prepare a new Percona XtraDB Cluster node. They want this to avoid State Snapshot Transfer that could slow down the donor (depending of the SST method you are using, the donor can be blocked. I will cover this in a future blog post). As backup are generally [...]

Filed Under: MySQL, XtraDB Cluster

Announcing Percona Server 5.5.25a-27.1

July 21, 2012 By Leave a Comment

Percona is glad to announce the release of Percona Server 5.5.25a-27.1 on July 21st, 2012 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.25a, including all the bug fixes in it, Percona Server 5.5.25a-27.1 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 [...]

Filed Under: MySQL

Data compression in InnoDB for text and blob fields

May 30, 2012 By 2 Comments

Have you wanted to compress only certain types of columns in a table while leaving other columns uncompressed? While working on a customer case this week I saw an interesting problem where a table had many heavily utilized TEXT fields with some read queries exceeding 500MB (!!), and stored in a 100GB table. In this [...]

Filed Under: Insight for DBAs, Insight for Developers, MySQL, Percona Software

Index Condition Pushdown in MySQL 5.6 and MariaDB 5.5 and its performance impact

March 12, 2012 By 12 Comments

I have been working with Peter in preparation for the talk comparing the optimizer enhancements in MySQL 5.6 and MariaDB 5.5. We are taking a look at and benchmarking optimizer enhancements one by one. So in the same way this blog post is aimed at a new optimizer enhancement Index Condition Pushdown (ICP). Its available [...]

Filed Under: Benchmarks, Insight for DBAs, MySQL Tagged With: , , , , , , ,
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