Drizzle metadata tables
Giuseppe has a great post about the Evolution of MySQL metadata, and I thought I’d have a look at what we have in Drizzle. It’s pretty easy to work out how many tables are in each schema, we just query...
View ArticleTiming queries in the 21st century
What is wrong with the following? mysql> select 'hello world'; +-------------+ | hello world | +-------------+ | hello world | +-------------+ 1 row in set (0.00 sec) Centisecond resolution for...
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Presenting "Real-Life Use Cases From Data Administration Hell" at...
If you're in the Los Angeles area on Feb 15, come hear my talk at LAMySQL inspired by learnings from real-life experiences. In addition to hearing a very unique and interesting talk, you can win an...
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Win a free book at the February Python Book Contest
This month is a special month. It’s not because of Valentines day or even the exciting day where we see groundhogs. No, this month is special because I’m have a book contest where you, the reader, get...
View ArticleTiming queries in the 21st century (with LD_PRELOAD and sed)
So… Baron blogged about wanting higher precision timers from the mysql binary and that running sed on the binary wasn’t cutting it. However… I am not one to give up that easily! This is what LD_PRELOAD...
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The end of implicit cartesian products
I’ve done it before, and I’m sure many others have. You type: SELECT * FROM t1,t2; Without any conditions, and then just wait as your console spews out every combination of the two tables possible in...
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MariaDB will be at Open Database Camp Sardinia 2011
Monty Program Ab has signed up to be a sponsor at the Open Database Camp Sardinia 2011, and has donated the logo placement to the MariaDB project. As a company we definitely plan to have a few...
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Slave Type Conversions
[Note: I'm testing to use googlecl to post this article.] Replication is typically used to replicate from a master to one or more slaves using the same definition of tables on the master and slave, but...
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Kajona is running with MariaDB
Based on small talk with Stefan Idler and Jakob Schröter at OpenRheinRuhr2010, Kajona CMS now officially works with MariaDB. They tested MariaDB and verified that it was a drop-in-replacement for MySQL...
View ArticleBuilding a MySQL server with XtraDB for speed
I’ve seen this a handful of times: someone has trouble with their database performance, and they have heard that XtraDB is much faster than InnoDB. They build a custom-compiled server with XtraDB. This...
View ArticleYou Must Have A Killer In Your System
Every system can have a slow query that randomly seems to emerge from nowhere. The main threat from these slow queries is that it can unexpectedly bring down your site. Even though the query is not...
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MySQL at Mobile World Congress (on Valentine's Day...)
It is that time of year again when the mobile communications industry converges on Barcelona for what many regard as the premier telecommunications show of the year.Starting on February 14th, what...
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Webinar: Percona and Continuent on backup and replication with huge data
On Thursday, February 10, at 10am PST, there is a free webinar about Managing Big Data with Percona Server, XtraBackup and Tungsten. Quoting from the announcement:Big data is a big problem for growing...
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Codershippers in FOSDEM
Codership team spent this weekend in Brussels, in and around the ever famous FOSDEM 2011 conference. This time there was quite a lot of the *around* part, as we were traveling with families, and trip...
View ArticleTarantool/Box is part of nosql-database.org listing
We have been accepted to nosql-database.org listing today.PlanetMySQL Voting: Vote UP / Vote DOWN
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Introduction to Databases course from Standford — for free!
Stanford University is offering a free course on databases. Introduction to Databases — ‘From October-December 2011 this online course will be offered in a structured fashion free of charge to students...
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Forum for MySQL Instaler
A few days ago we announced the availability of our new MySQL Installer for Windows. While it’s a great first edition we know that you are going to have questions and we wanted the community to be...
View ArticleLee Margulin, DBA at Zappos.com on Tungsten and Team Continuent
Lee Margulin, Database Administrator at Zappos.com, talks about how Zappos uses Tungsten to replicate data between Oracle and MySQL. Tungsten Replicator is a high performance, open source, data...
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InnoDB compression for OLTP
The worst case for InnoDB compression might be a cached database and write-heavy workload. How bad is it in that case and what can be done to make it better? I describe how to increase throughput on...
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MySQL Cluster Manager 1.1.2 – creating a Cluster is now trivial
MySQL Cluster Manager 1.1.2 is now available to download and try from Oracle E-Delivery (select “MySQL Database” as the product pack). Something that’s new and really cool in the new version is that...
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