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A TokuDB Stall Caused by a Big Transaction and How It was Fixed

 | September 20, 2013 |  Posted In: Tokutek, TokuView

One of our customers sometimes observed lots of simple insertions taking far longer than expected to complete. Usually these insertions completed in milliseconds, but the insertions sometimes were taking hundreds of seconds. These stalls indicated the existence of a serialization bug in the Fractal Tree index software, so the hunt was on. We found that […]

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InnoDB performance optimization basics (redux)

 | September 20, 2013 |  Posted In: MySQL

I recently stumbled upon a post that Peter Zaitsev published back in 2007 titled “Innodb Performance Optimization Basics.” It’s a great post and reading it inspired me to examine what’s changed in the nearly six years that have followed in terms of MySQL, Percona Server – as well as in all of the other now-available […]

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TokuDB Hot Backup – Part 2

 | September 19, 2013 |  Posted In: Tokutek, TokuView

In my last post, I discussed the existing backup solutions for MySQL.  At the end I briefly discussed why the backup solutions for InnoDB do not apply to TokuDB.  Now I’m going to outline the backup solution we created.  Our solution works for both TokuDB and InnoDB.  It also has no knowledge of the log […]

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Percona XtraBackup 2.1.5 is now available

 | September 19, 2013 |  Posted In: Events and Announcements, Percona Software, Percona XtraBackup

Percona is glad to announce the release of Percona XtraBackup 2.1.5 on September 19th, 2013. Downloads are available from our download site here and Percona Software Repositories. This release is the current GA (Generally Available) stable release in the 2.1 series. Percona XtraBackup is an open source, free MySQL hot backup software that performs non-blocking […]

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Let’s connect at MySQL Connect

 | September 19, 2013 |  Posted In: MySQL

Later this week I’m traveling to San Francisco to attend MySQL Connect – which looks like an exciting event to be at. I’m going to deliver two talks at this show, both on Sunday – MySQL Indexing Best Practices for MySQL 5.6 and Optimizing MySQL Configuration for MySQL 5.6. I will also be there for […]

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Lock Diagnostics and Index Usage Statistics in TokuMX v1.2.1

 | September 18, 2013 |  Posted In: Tokutek, TokuView

TokuMX v1.2.1 introduces two simple new features to help you understand the performance characteristics of your database: lock diagnostics and index usage statistics. We’d like to take you through a few examples of what these features are and how to use them. Lock Diagnostics Since we introduced TokuMX, one of the most frequent complaints has […]

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Percona XtraDB Cluster 5.5.33-23.7.6 is now available

 | September 18, 2013 |  Posted In: MySQL

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 Features: Default State Snapshot Transfer method, defined in wsrep_sst_method variable has been changed from mysqldump to rsync. New wsrep_reject_queries variable has been implemented that can be […]

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Percona Live London 2013: an insider’s view of the schedule

 | September 18, 2013 |  Posted In: Benchmarks, Events and Announcements, Hadoop, Hardware and Storage, Hive, Insight for DBAs, Insight for Developers, MySQL, Percona Live, Percona XtraBackup

With the close of call for papers earlier this month, the Percona Live London conference committee was in full swing this past week reviewing all of the many submissions for November’s Percona Live London MySQL Conference. The submissions are far ranging and cover some really interesting topics, making the lineup for Percona Live London really strong! […]

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OSS4B – Presenting in Italy on MySQL and Percona XtraDB Cluster

 | September 18, 2013 |  Posted In: Events and Announcements, MySQL, Percona XtraDB Cluster

I will be in Prato (Firenze), Italy Thursday and Friday (September 19th and 20th) to deliver 2 presentations at OSS4B: Installing and managing MySQL like a real devops: automation in production Introduction to Percona XtraDB Cluster If you want to learn about these projects or discuss anything related to MySQL and Percona, join the conference […]

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