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January 15, 2015
Fractal Tree Greatness: The Nexus
In my recent travels, I’ve been speaking with database users at various meetups and trade shows worldwide. Very often, I got [...]
January 15, 2015
Hyper-threading -How does it double CPU throughput?
The other day a customer asked me to do capacity planning for their web server farm. I was looking at [...]
January 14, 2015
Percona XtraBackup 2.2.8 is now available
Percona is glad to announce the release of Percona XtraBackup 2.2.8 on January 14, 2015. Downloads are available from our [...]
January 14, 2015
MySQL performance implications of InnoDB isolation modes
Over the past few months I’ve written a couple of posts about dangerous debt of InnoDB Transactional History and about [...]
January 13, 2015
Percona Live 2015 conference sessions announced!
Today we announced the full conference sessions schedule for April’s Percona Live MySQL Conference & Expo 2015 and this year’s [...]
January 12, 2015
Percona Server 5.6.22-71.0 is now available
Percona is glad to announce the release of Percona Server 5.6.22-71.0 on January 12, 2015. Download the latest version from the [...]
January 12, 2015
Percona Server 5.5.41-37.0 is now available
Percona is glad to announce the release of Percona Server 5.5.41-37.0 on January 9, 2015. Based on MySQL 5.5.41, including [...]
January 12, 2015
First TokuMXse performance numbers
UPDATE: Since the publication of this blog post, the first release candidate of TokuMXse was made available for testing. Learn more about v1.0.0.RC.0. [...]
January 8, 2015
Managing data using open source technologies? Learn what’s hot in 2015!
Whether you’re looking at the overall MySQL ecosystem or the all-data management landscape, the choice of technologies has never been [...]
January 7, 2015
Django with time zone support and MySQL
This is yet another story of Django web-framework with time zone support and pain dealing with python datetimes and MySQL [...]
January 6, 2015
Getting mutex information from MySQL’s performance_schema
We have been using SHOW ENGINE INNODB MUTEX command for years. It shows us mutex and rw-lock information that could [...]
January 5, 2015
Using YUM to install specific MySQL/Percona Server versions
Sometimes it is desired to use particular software versions in production, and not necessary the latest ones. There may be [...]
January 2, 2015
The MySQL Query Cache: How it works, plus workload impacts
The MySQL query cache is one of the prominent features in MySQL and a vital part of query optimization. It is [...]
December 31, 2014
How small changes impact complex systems – MySQL example
If you’ve been studying complex systems you know what minor changes might cause consequences of much greater proportions, sometimes causing [...]
December 30, 2014
Diagnosing SST errors with Percona XtraDB Cluster for MySQL
State Snapshot Transfer (SST) is used in Percona XtraDB Cluster (PXC) when a new node joins the cluster or to [...]
December 29, 2014
How well does your table fit in the InnoDB buffer pool in MySQL 5.6+?
Some time ago, Peter Zaitsev posted a blog titled “How well does your table fits in innodb buffer pool?” He [...]
December 24, 2014
InnoDB crash recovery speed in MySQL 5.6
It has been a while since I have looked at InnoDB crash recovery. A lot has change in the last [...]
December 23, 2014
Testing TokuDB’s Group Commit Algorithm Improvement
The MySQL 5.6 Release has introduced some changes to how two phase commit works and is managed. In particular, the [...]
December 23, 2014
File carving methods for the MySQL DBA
This is a long overdue blog post from London’s 44con Cyber Security conference back in September. A lot of old memories [...]
December 22, 2014
Testing backup locks during Xtrabackup SST on Percona XtraDB Cluster
Background on Backup Locks I was very excited to see Backup locks support in release notes for the latest Percona XtraDB Cluster [...]