Upgrading Kubuntu Jaunty to MariaDB 5.2 RC
MariaDB 5.2.2 RC was released a few weeks ago, and last night I finally upgraded my workstation to have a look. I had to perform several APT related steps to upgrade, so these notes are more a...
View ArticleNew APIs in HailDB
In the current HailDB we have a couple of new API calls that you may like: ib_status_get_all() Is very similar to ib_cfg_get_all(). This allows the library to add new status variables without...
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Moving on, but not far
As of today I have a new employer, and I no longer work for MySQL / Sun / Oracle, instead I am now Database Architect at Recorded Future (http://www.recordedfuture.com). This is exciting stuff, really...
View ArticleMySQL errors
Next time you have an error whilst running an sql script into mysql using the pretty easy redirect into eg: mysql -uroot -pmsandbox -h127.0.0.1 -P3306 dbname < filename you might want to give the -v...
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Fear and loathing and open core
Bradley M Kuhn published an interest blog post at the weekend explaining why he believes Canonical is about to go down the open core licensing route and heavily criticising the company for doing so. My...
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Shinguz's Blog (en): How many warm MyISAM key blocks do you have?
When you are working with MyISAM [1] tables MySQL provides a feature called the Midpoint Insertion Strategy [2]. You can enable it with the parameter key_cache_division_limit [3]. By default, the key...
View ArticleMySQL on Ubuntu Maverick Meerkat 10.10
Mea Culpa, Mea Culpa, Mea Maxima Culpa! My fault, my fault, it’s all my fault! Why? Well because new versions = new bugs :) = wait till they are fixed, then use it! As an ubuntu fan I just had to...
View ArticleA Warm Welcome to the MySQL Community
Independent Oracle User Group's (IOUG) President, Andy Flower's article in the latest issue of Oracle Magazine extends a warm welcome to the MySQL community! Andy outlines a number of ways in which...
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IOUG’s place in the MySQL Community
As I have previously stated it is quite rare that I blog about my feelings about things going on with Oracle in the MySQL community, others do this a lot better than me, but a blog post I’ve seen today...
View ArticleI wish I could be at PGWest
I wish I could go to PGWest this year. A lot of great work has been done on PostgreSQL in the last year and a half. There’s a new release with built-in replication, and there are in-place upgrades....
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MyQuery 3.4.0 Released!
I have not finished MyQuery 3.4.0, after a long time of weekend and spare-time development. This version adds some features that are basically Scintilla featires that I have integrated with. This...
View ArticleGreenSQL-FW: 1.3.0 released
GreenSQL Database Firewall 1.3 is now available. GreenSQL 1.3 includes new features, many bug fixes and enhancements. In this version, GreenSQL improvers the native support for PostgreSQL...
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Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server
Most of high scale web applications use MySQL + memcached. Many of them use also NoSQL like TokyoCabinet/Tyrant. In some cases people have dropped MySQL and have shifted to NoSQL. One of the biggest...
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Book Review: Web Operations
Web Operations - Keeping the Data On Time ByJohn Allspaw, Jesse Robbins Publisher:O’Reilly Media Released:June 2010 This is simply the best book on running a commercial web services I have ever read....
View ArticleSome NoSQL Myths
I have been busy travelling recently but thought I would jot down a couple of NoSQL myths that are fresh in my head from my recent discussions. Twitter use Cassandra internally but have not migrated...
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New Community version: GreenSQL FW: 1.3.0 released
New Community version of GreenSQL Database Firewall, version 1.3 is now available. GreenSQL 1.3 includes new features, many bug fixes and enhancements. In this version, GreenSQL improvers the native...
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What is open core licensing (and what isn’t) UPDATED
This is an updated version of a post that was originally published in July 2009. It has been updated in response to ongoing confusion about open core licensing. There has been a significant amount of...
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MySQL Limitations Part 1: Single-Threaded Replication
I recently mentioned a few of the big "non-starter" limitations Postgres has overcome for specific use cases. I decided to write a series of blog posts on MySQL's unsolved severe limitations. I mean...
View ArticleHow many contributors does Drizzle have?
Opscode posted a note this morning on their current contribution level, which got me to thinking about Drizzle's contributors.From looking at bzr log I can find out some of the details.To date we have...
View ArticleCorrelated LEFT JOIN in a subquery
Answering questions asked on the site. Beren asks: In my database, I store the information about the game matches. A match can be played between two players (mostly) or, occasionally, between two teams...
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