In this article, we shall see how easy it is to connect to a database (MySQL) using ActiveRecord and a JDBC driver using JRuby.

(tags: jruby jdbc activerecord rails rubyonrails)

Spock Proxy supports range-based horizontal paritioning of a large MySQL database. The proxy intercepts SQL queries from the client, sends queries to the correct databases based on how the database is partitioned, then aggregates the results from each database and returns them to the client as a regular MySQL result set.

(tags: sql sharding scalability rails proxy partitioning mysql grid performance scaling ruby rubyonrails activerecord)

(tags: proxy mysql database scaling load-balancing scalability)

(tags: xp userstory userstories user-stories tips story scrum software projectmanagement project estimation lean best-practices)

(tags: cassandra distributed storage video facebook)

Cassandra is a distributed storage system for managing structured data that is designed to scale to a very large size across many commodity servers, with no single point of failure.

(tags: cassandra distributed storage facebook)