MySQL

Painfree Continuous Integration with Hudson and Vagrant

http://drnicwilliams.com/2010/11/09/making-ci-easier-to-do-than-not-to-with-hudson-ci-and-vagrant/ (or on Ruby Inside)

Fikus: Deploying Padrino to Engine Yard AppCloud

Padrino and Engine Yard AppCloud
Engine Yard AppCloud is a great platform for deploying Ruby on Rails applications quickly and easily. It's not only good for Rails, but it also makes it just as easy to deploy any application using Rack or Rack-based frameworks like Sinatra.

I'm a big fan of Sinatra and use it for both internal and personal projects.

8 Ruby and Rails Jobs for May 2010

Need a new Ruby or Rails job? They're getting posted daily on jobs.rubynow.com but we've got 8 special ones of our own that have come in via the Ruby Inside jobs board. Jobs this month come from the United Kingdom and the US and, as is proving typical, are Rails heavy.

Schema-Free MySQL vs NoSQL

Amidst the cambrian explosion of alternative database engines (aka, NoSQL) it is almost too easy to lose sight of the fact that the more established solutions, such as relational databases, still have a lot to offer: stable and proven code base, drivers and tools for every conceivable language, and more features than any DBA cares to learn about.

Smooth Devoperations: Deploying Rails 3 with Moonshine

Here at Rails Machine, we have written, on occasion, about

Rails 3.0 Beta: 36 Links and Resources To Get You Going

rails3logo.gif Whenever something's a really "big deal" in the Ruby world, we cover it - even if it makes more sense on Rails Inside (which is now switching to a user contributions model).

Rails 3.0 Beta/Prerelease Available Now and How To Install It

rails-3-logo.pngToday, Rails core member Jeremy Kemper dropped the words that lots of ardent Rails developers have been waiting for: "Rails 3 beta is LIVE." It's true! Rails 3.0's first approved beta/pre-release version is now live and ready for you to install.

Screencast: How To Upgrade Your Rails 2 App to Rails 3 in 25 Minutes

Geoffrey Grosenbach (of PeepCode fame) has put together a FREE 25 minute screencast showing how he's converted a Rails 2.x app to Rails 3.0.

Cluster Monitoring with Ganglia & Ruby

A good monitoring solution can make or break an entire service - a well implemented one will enable you to forecast and plan ahead, as well as, quickly spot and debug problems when they arise. However, anyone that has worked with a cluster of machines will know that this is also a non-trivial problem.

MySQL slow query improvements

We’ve just pushed some updates to the MySQL slow query warning interface in the Brightbox control panel, which includes two main improvements.

Firstly, where the same (or very similar) query occurs more than once, they are aggregated together rather than being recorded as individual slow queries. The user interface displays the count so you can see exactly how many times this slow query occurred in the last 7 days.

Secondly, the full SQL query is now displayed, so customers now have more information with which to optimise their applications.

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