The ARCHIVE Storage Engine
I wonder how much longer the ARCHIVE storage engine is going to ship with MySQL…. I think I’m the last person to actually fix a bug in it, and that was, well, a good number of years ago now. It was...
View ArticleThe EXAMPLE storage engine
The Example storage engine is meant to serve mainly as a code example of the stub of a storage engine for example purposes only (or so the code comment at the start of ha_example.cc reads). In reality...
View ArticleSome storage engine features you only get if you’re InnoDB
I had reason to look into the extended secondary index code in MariaDB and MySQL recently, and there was one bit that I really didn’t like. MariaDB: share->set_use_ext_keys_flag(legacy_db_type ==...
View ArticleMySQL vs Drizzle plugin APIs
There’s a big difference in how plugins are treated in MySQL and how they are treated in Drizzle. The MySQL way has been to create a C API in front of the C++-like (I call it C- as it manages to take...
View ArticleAn old note on the Storage Engine API
Whenever I stick my head into the MySQL storage engine API, I’m reminded of a MySQL User Conference from several years ago now. Specifically, I’m reminded of a slide from an early talk at the MySQL...
View ArticleAre MariaDB tests adding anything extra over Oracle MySQL tests?
I grabbed all the tests introduced in MariaDB 5.5.32 (i.e. “bzr diff -rtag:mariadb-5.5.31..mariadb-5.5.32 mysql-test/” and some foo) and threw them in their own test file. I only kept tests for...
View ArticleWho works on MariaDB and MySQL?
Looking at the committers/authors of patches in the bzr tree for MariaDB 5.5.31. Non Oracle Contributors: Alexander Barkov Alexey Botchkov Elena Stepanova Igor Babaev knielsen Michael Widenius sanja...
View Articlenanomysql – tiny MySQL client lib
I recently got pointed towards https://github.com/shodanium/nanomysql/ which is a tiny (less than 400 lines of C++) MySQL client library which is GPL licensed. If you need to link into non-GPL...
View ArticleWho is working on MariaDB 10.0?
There was some suggestion after my previous post (Who works on MariaDB and MySQL?) that I look at MariaDB 10.0 – so I have. My working was very simple, in a current MariaDB 10.0 BZR tree (somewhat...
View ArticleWho is working on MySQL 5.7?
First I find out the first commit that is in 5.7 that isn’t in 5.6 (using bzr missing) and then look at the authors of all of those commits. Measuring the number of commits is a really poor metric as...
View ArticleDisk usage: bzr vs git
For MySQL 5.1, 5.5 and 5.6 in the same repository, after repacking: bzr: 269MB (217MB pack, 52MB indicies) git: 177MB repo (152MB pack) One thing I’ll say is that BZR is always more chatty over the...
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The end of Bazaar
I’ve used the Bazaar (bzr) version control system since roughly 2005. The focus on usability was fantastic and the team at Canonical managed to get the entire MySQL BitKeeper history into Bazaar –...
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Pictures of Auckland (where OSDC 2013 is!)
It’s getting close to time to head to Auckland for OSDC and a few days ago I blogged about how I’m speaking there). I’ll be speaking on MySQL In the Cloud, As A Service and all of the challenges that...
View ArticleThe road to Percona Server 5.6
Over a year ago now, I announced the first Percona Server 5.6 alpha on the Percona MySQL Performance Blog (Announcing Percona Server 5.6 Alpha). That was way back on August 14th, 2012 and it was based...
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Hong Kong (OpenStack Summit)
I’ll be in Hong Kong for the upcoming OpenStack Summit Nov 5-8. I’d be thrilled to talk database things with others present, especially around Trove DBaaS (DataBase as a Service) and high availability...
View ArticleMy lca2014 talk video: Past, Present and Future of MySQL and variants
On last Wednesday morning I gave my talk at linux.conf.au 2014. You can now view and download the recording of it here:...
View ArticleConverting MySQL trees to git
I have put up a set of scripts on github: https://github.com/stewartsmith/bzr-to-git-conversion-scripts. Why do I need these? Well… if only bzr fast-export|git fast-import worked flawlessly for large,...
View Articleand now for something completely different…
As many of you know, I’ve been working in the MySQL world for quite a while now. IN fact, it was nearly 10 years ago when I first started hacking on MySQL Cluster at MySQL AB. Most recently, I was at...
View ArticlePast, Present and future of MySQL and variants Part 1: Ghosts of MySQL Past
You can watch the video of my linux.conf.au 2014 talk here: http://mirror.linux.org.au/linux.conf.au/2014/Wednesday/28-Past_Present_and_future_of_MySQL_and_variants_-_Stewart_Smith.mp4 But let’s talk...
View ArticleGhosts of MySQL Past: Part 2
This continues on from my post yesterday and also contains content from my linux.conf.au 2014 talk (view video here). Way back in May in the year 2000, a feature was added to MySQL that would keep many...
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