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MySQL Day at SCALE
MySQL Day at SCALE is just a few days away. I will be giving a replication session that covers the concept, different configurations and then goes into the MySQL 5.6 Features for Replication as well....
View ArticleOn complex optimizations and optimizer hints
In an ideal world, you should never need to use optimizer hints. In the real world, hints are necessary. We needed hints even before we’ve made a release. The first requests came from our Quality...
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Installing Apache2 With PHP5 And MySQL Support On Fedora 16 (LAMP)
Installing Apache2 With PHP5 And MySQL Support On Fedora 16 (LAMP) LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on a Fedora 16 server with...
View ArticleSouthern CAL, here we come!
If you're in the City of Angles this week, be sure to stop by the Southern California Linux Expo (SCALE) - the largest annual Linux, Open-Source, and Free Software conference held in Los Angeles. Join...
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How to quickly identify queries with pt-query-digest and pt-query-advisor...
Today I’m working on integrate the Percona toolkit (instead of maatkit) in my own tools and I’m playing with pt-query-digest and pt-query-advisor. These tools can be very interesting to identify some...
View ArticleRe: MySQL Enterprise Backup: Redo-log-only Incremental Backups
Nice one ... thank you :)PlanetMySQL Voting: Vote UP / Vote DOWN
View ArticleFree webinar Wednesday: verifying replication integrity
Join me Wednesday for a free webinar on using the new Percona Toolkit v2.0.3 to verify replication integrity. If you’re not familiar with this topic, it’s one of those must-do things that no one...
View ArticleSQL Joins with On or Using
I recently wrote a post about inner and outer joins, and a couple of people asked what the difference is between USING and ON. In a nutshell, you use ON for most things, but USING is a handy shorthand...
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MariaDB: Improve Security with Two-Step Verification
In this primer I will show how to improve the security of your MariaDB installation by using two-step verification and how to use it from your Windows GUI client. Let’s suppose you have your data in...
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MongoDB for MySQL Folks part 4 - Sharding
Welcome part four of this series of blog-posts on MongoDB, where we previously looked at:NoSQL 101 - An introduction.Begining MongoDB queries.More on MongoDB queries.These were introducing some basic...
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mySQL Column Types and Why it Matters.
MySQL is awesome at converting stringsto integers when comparing column lvalues with converted rvalues. So much sothat many of us take this fact for granted. When does this assumption breakdown? When...
View ArticleMEMORY engine and Handler% status variables via gdb
While working through my previous blog post, rows_examined UNION Handler% ... ?!?, I learned about some unexpected behavior of the MEMORY (HEAP) storage engine and how it interacts with...
View ArticleGerman webinar Feb 7th at 15:00 CET: Hochverfügbarkeit und Performance von...
Zahlreiche Unternehmen verlassen sich auf MySQL und PostgreSQL für die Datenverwaltung. Aber was passiert, wenn die Datenbank abstürzt oder eine Wartung benötigt? Wie können Sie sicherstellen, dass...
View ArticleHow to Build MySQL 5.5 from Source Code on Windows
Not counting obtaining the source code, and once you have the prerequisites satisfied, [Windows] users can build from source code in 5 easy steps. Prerequisites – Install & ensure they are in the...
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XtraDB Cluster Feature 1: High Availability
There and in coming posts I am going to cover main features of Percona XtraDB Cluster. The first feature is High Availability. Bit before jumping to HA, let’s review general architecture of the XtraDB...
View ArticleMySQL and Friends devroom at FOSDEM 2012
The votes have been counted and now there is a schedule for MySQL and Friends devroom at FOSDEM 2012. I’m giving two talks: MariaDB 5.3’s query optimizer: taking the dolphin to where he’s never been...
View Articledb4free.net is joining the protest against SOPA & PIPA
db4free.net is joining the protest against SOPA & PIPA and will stay down for 24 hours, starting January 18, 2012 at 02:00 UTC. Learn more on what this is all about at americancensorship.org … …...
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Benchmarks of new innodb_flush_neighbor_pages
In our recent release of Percona Server 5.5.19 we introduced new value for innodb_flush_neighbor_pages=cont. This way we are trying to deal with the problem of InnoDB flushing. Actually there is also...
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HA Reloaded – Many ways to provide High Availability
High Availability is one of the hottest topics for MySQL DBAs. As a matter of fact, when we (SkySQL) are called by users and customers, the top two questions for our PS team are: How can I make my...
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Database Innovation, pleeease!
I think you have heard me say it before, but in this case I think repetion is needed: We should be much more innovative in the database world. And no, I am not talking NoSQL here, not at all. For all...
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