Continuing on from my previous posts, MySQL code size over releases and MariaDB code size I’ve decided to also look into some other code branches. I’ve used the same methodology as my previous few posts: sloccount for C and C++ code only.

There are also other branches around in pretty widespread use (if only within a single company). I grabbed the Google, Facebook and Twitter patches and examined them too, along with Percona Server 5.1 and 5.5.

Continuing on from my previous post, MySQL code size over releases.

I wanted to look at the different branches/patch sets of MySQL out there and work out how far from upstream they deviated. I’m just going to compare against whatever upstream version the most easily accessible version is based on (be it 5.0.x, 5.1.x or whatever).

For MariaDB versions, I removed innodb_plugin and replaced it with xtradb for stats purposes as the MariaDB innodb_plugin is essentially the same as upstream and I don’t want to artificially inflate the diff size.

The first three major versions of MariaDB were all based on MySQL 5.1. I used sloccount and only counted C and C++ code.

So, let’s look at some of the MySQL patch sets/branches that are around. Firstly, let’s look at MariaDB:

After some final testing and polishing, the MariaDB project and Codership are pleased to announce the release of MariaDB Galera Cluster 5.5.29. This is a Stable (GA) release. MariaDB Galera Cluster links:

• Release Notes
• Changelog
• Downloads
• APT and YUM …

First, congratulations Oracle on the GA of MySQL 5.6! Well done!

In this post I walkthrough the features of the first two alpha versions of MariaDB 10.0. The first, 10.0.0-alpha, which was made available in November, and 10.0.1-alpha that saw daylight yesterday. I will go through the features by placing them in the following categories:

• MariaDB 10.0-only Features (features that aren’t in MySQL 5.6)
• MariaDB 10.0 Merged Features (features merged from MySQL 5.6)
• MariaDB 10.0 Reimplemented Features (features reimplemented from features in MySQL 5.6)
• MariaDB 5.x Features now in MySQL 5.6 (features introduced in earlier MariaDB versions which have now been introduced in MySQL 5.6)
• MariaDB 5.x Features Backported from MySQL 5.6 (features introduced in earlier MariaDB versions which were backports of features from MySQL 5.6 development …

I’m getting more and more concerned about the current Oracle approach to MySQL security. And the fact that I was solely responsible for the security@mysql.com for about ten years, doesn’t make it easier, on the contrary, it only emphasizes changes in the attitude.

Starting from the obvious — somewhat slower response to critical bug fixes, which can be expected, Oracle is a big company, right? Very little information about security vulnerabilities is disclosed, CPUs are carefully stripped from anything that might help to understand the problem, it takes hours to map them to code changes. Heck, even test cases are kept private now. This seriously smells …

The MariaDB project is pleased to announce the immediate availability of the following new stable (GA) MariaDB versions:

• MariaDB 5.5.29  — Release Notes, Changelog, Downloads
• MariaDB 5.3.12  — Release Notes, Changelog, …

The MariaDB Java Client 1.1.0 has been released. You can download it here.

This version focused on fixing all known database metadata bugs and ConnnectorJ incompatibilities. Specific fixes include:

• Consistent, compatible with ConnectorJ handling of JDBC catalogs vs schemas vs databases
• Implementation of several missing methods in DatabaseMetaData
• Better handling of statement timeouts
• OSGi-specific entries have been added to MANIFEST.MF so it can be used in OSGi environments
• Added support for dumpQueriesOnException=true in the JDBC URL
• Added support for IPv6 addresses in the connector
• Added SSL support
• and more…

See the Release Notes and …

In May of last year I blogged about MariaDB 10.0 for the first time. We received some feedback, digested it, and I further explained MariaDB 10.0. Now, with the first Alpha of MariaDB 10.0 out and a new year just beginning, now is a good time to explain a little bit more, especially about MariaDB 10.0 and MySQL 5.6 as I and others in the MariaDB project get asked a lot about the differences between them.

First, here are some details as to why we didn’t just take MySQL 5.6 as a base and create something that would have been called MariaDB 5.6. These details haven’t been widely shared before:

1. The file structure of the codebase in MySQL 5.6 has changed. Single code files have been split into several and code has been …

This podcast would not achieve its goal if there were no listeners to learn about MySQL. This week we play a bunch of bloopers as our year-end gift to you. We hope these make you laugh!

2011 Blooper Retrospective

Just a quick note to say that the site has been updated to a new theme which is based on the super awesome Twitter Bootstrap UI framework. To make life easier, since this site is also using WordPress at the core, I’ve made use of the WordPress Bootstrap plugin which allows for very simple integration. However, that wasn’t enough because the Bootstrap plugin comes with rather basic and boring generic styles; so I added the plugin for Google Font support and then modified the CSS accordingly.

You will also notice that the site is undergoing some reorganization of categories and content tags. This should help clean up search results as well as general information sorting. I’ve removed the sidebar widget for category listings in favor …