August 23, 2014

Big Data with MySQL and Hadoop at MySQL Connect 2013

I will be talking about Big Data with MySQL and Hadoop at MySQL Connect 2013 (Sept. 21-22) in San Francisco as well as at Percona University at Washington, DC (September 12, 2013). Apache Hadoop is a very popular Big Data solution and we can nowadays easily integrate it with MySQL. I will start with a brief introduction […]

InnoDB Full-text Search in MySQL 5.6: Part 3, Performance

This is part 3 of a 3 part series covering the new InnoDB full-text search features in MySQL 5.6. To catch up on the previous parts, see part 1 or part 2 Some of you may recall a few months ago that I promised a third part in my InnoDB full-text search (FTS) series, in […]

Percona Server for MySQL 5.5.31-30.3 now available

Percona is glad to announce the release of Percona Server for MySQL 5.5.31-30.3 on May 24, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.31, including all the bug fixes in it, Percona Server 5.5.31-30.3 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 […]

Percona XtraBackup 2.1.3 for MySQL available for download

Percona is glad to announce the release of Percona XtraBackup 2.1.3 for MySQL on May 22, 2013. Downloads are available from our download site here and Percona Software Repositories. This release fixes a high priority bug. It’s advised to upgrade your latest 2.1 version to 2.1.3 if you’re using the Percona XtraBackup with Percona XtraDB […]

Percona Live MySQL Conference 2013 wrap-up

The Percona Live MySQL Conference & Expo 2013 was April 22-25 in Santa Clara, California. This was Percona’s second year organizing the conference and we were very pleased with the event and the feedback (check the #perconalive hashtag for a sampling of the great comments such as this from Tom Krouper or this from John […]

Percona Server 5.5.30 with TokuDB for MySQL

I was excited to see that TokuDB for MySQL from Tokutek is now open source. I believe this is a great technology and it was a significant restriction on the adoption when it was distributed only in a binary format with a proprietary license. So I went and built Percona Server 5.5.30 with TokuDB’s storage […]

Percona Monitoring Plugins 1.0.3 for MySQL now available

Percona is glad to announce the release of Percona Monitoring Plugins 1.0.3 for MySQL — high-quality components to add enterprise-grade MySQL monitoring and graphing capabilities to your existing in-house, on-premises monitoring solutions. The components are designed to integrate seamlessly with widely deployed solutions such as Nagios and Cacti, and are delivered in the form of […]

Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available

Percona is glad to announce the release of Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL on April 17, 2013. Binaries are available from the downloads area or from our software repositories. New Features: Percona XtraDB Cluster has implemented initial implementation of weighted quorum. Weight for node can be assigned via pc.weight option in the wsrep_provider_options variable. […]

Memory allocators: MySQL performance improvements in Percona Server 5.5.30-30.2

In addition to the problem with trx_list scan we discussed in Friday’s post, there is another issue in InnoDB transaction processing that notably affects MySQL performance – for every transaction InnoDB creates a read view and allocates memory for this structure from heap. The problem is that the heap for that allocation is destroyed on […]

trx descriptors: MySQL performance improvements in Percona Server 5.5.30-30.2

One major problem in terms of MySQL performance that still stands in the way of InnoDB scalability is the trx_list scan on consistent read view creation. It was originally reported as a part of MySQL bug #49169 and can be described as follows. Whenever a connection wants to create a consistent read, it has to […]