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Continuent is hiring - Support and QA engineers wanted
Continuent is hiring. The business is growing, the opportunities are piling up nicely, and we need to beef up the team with the addition of some new professionals. The mist urgent posts to fill are a...
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20% to 50% improvement in MariaDB 5.3 Handler Interface using prepared statement
Following a previous post using MySQL as a NoSQL store with the native Handler Interface, some refactoring have now been coded in MariaDB-5.3 as described in the following worklog On concurrency,...
View ArticlePercona Server Fast-Restart White Paper Posted
I’ve posted a new white paper about the implementation and benefits of Percona Server’s fast-restart capabilities. Briefly, after shutting down and restarting or rebooting the server, it can be back to...
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Free webinar Wednesday on MySQL Cluster
Do not forget the What's New in Managing MySQL Cluster webinar on Wednesday the 11th. Learn about NDBINFO, MySQL Cluster Manager, and MySQL Cluster Adviser & Graphs -- three new enhancements. And...
View ArticleMySQL Connector/Python v0.3.2-devel released
MySQL Connector/Python 0.3.2, a development release, is available for download: https://launchpad.net/myconnpy/+download Disclaimer: Since version 0.3 is still a development release, or ‘alpha’, it is...
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MySQl Basics — Configuration Files
This is a continuation of the previous blog entry but now I am going to assume that you have your MySQL 5.5.8 software installed but not started – yet. Why option files? The MySQL server can be run...
View ArticleMySQL 5.5 in openSUSE Build Service
MySQL 5.5 is GA for more then a month already. If you are reading some news, you probably already heard, that it is great, million times faster, has trillion new features that you desperately need and...
View ArticleIs it possible to avoid query parsing inside of MySQL?
I've just started learning MySQL's internals but I've got an idea which I want to convert to a question here, to ask people who are already deeper in it. Is it a bad idea to completeley avoid query...
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Shinguz's Blog (en): MySQL Cluster - Cluster circular replication with 2...
A few days ago I had to deal with MySQL Cluster replication. I did not do this for a while so I was prepared to expect some interesting surprises once again. For those who MySQL Cluster - Cluster...
View ArticleHow to Identify Bad Queries in MySQL
Finding bad queries is a big part of optimization. A scientific optimization process can be simplified to “can anything be improved for less than it costs not to improve it? – if not, we’re done.” In...
View ArticleCentral Banks Rely On MySQL Based Simulator
We recently published a case study describing how central banks worldwide rely on the Bank of Finland's MySQL based simulator. The Bank of Finland (BoF) acts as Finland's central bank, national...
View ArticleMySQL Performance Tuning at PHPBenelux 2011 Conference
I’ll be giving a workshop/tutorial on MySQL Performance Tuning at the PHPBenelux 2011 Conference in Belgium. It’s 3.5 hours and I am sure I can discuss the new MySQL v5.5 release too. Lots of stuff...
View ArticlePercona Server 5.1.54-12.5
Percona Server version 5.1.54-12.5 is now available for download. It is now the current stable release version. Functionality Added or Changed Percona Server 5.1.54-12.5 is based on MySQL 5.1.54. New...
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How to Get a List of Permissions of MySQL Users
MySQL has advanced database access system. A database user can have access to the whole database, separate tables, or to separate columns of tables. Also there is a restriction for actions a user may...
View ArticleNew in mk-query-digest: variance-to-mean ratio
This isn’t actually new — it has been out for a few releases. The mk-query-digest tool from Maatkit now outputs information about each class of queries’ variance-to-mean ratio. The new output goes in a...
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The Sign Of Eth Is Rising In The Air
Brief pause of that Sudoku series : I’m working on my object-relational mapping framework code-named Eth. It’s vaguely similar to Glorp but much simpler and not as intelligent as Glorp. This time,...
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451 CAOS Links 2011.01.11
Black Duck acquires Olliance Group. Funding for Zend and PHP Flog. And more. Follow 451 CAOS Links live @caostheory on Twitter and Identi.ca, and daily at Paper.li/caostheory “Tracking the open source...
View ArticleHow to Log User Connections in MySQL
There is nothing that MySQL 5.1 explicitly performs to log user connections, but there is a combination of MySQL commands that can log user connections without having to turn on the general query log....
View ArticleBad weather strikes Meetup in Charlotte,NC
Due to bad weather my flight to Charlotte was canceled today and the only time they could rebook me was the red eye on Friday to arrive on Saturday morning – later than I suppose to be back. As such we...
View ArticleOurSQL Podcast revival
For those of you, like myself, who find that December was a bit of haze of holiday parties, there were happenings in the MySQL world. Sheeri Cabral and I have revived the OurSQL podcasts of yore. There...
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