Simon Willison’s Weblog

Up and running with Cassandra. Twitter are beginning to use Cassandra, the open source branch of Facebook’s BigTable-like non-relational database. Evan Weaver explains how to get started with it, but warns that it’s not yet a good idea to trust data to it without having a full backup in an unrelated storage engine.

# 7th July 2009, 11:18 am / bigtable, cassandra, evanweaver, facebook, nonrelationaldatabases, scaling, twitter

Multi-Inflection-Point Alert. Dammit, Tim, stop giving away our competitive advantages!

# 26th April 2008, 6:48 pm / bigtable, couchdb, java, python, rails, rest, simpledb, soap, tim-bray

Google App Engine. Write applications in Python using a WSGI compatible application framework, then host them on Google’s highly scalable infrastructure. The most exciting part is probably the Datastore API, which provides external developers with access to Bigtable for the first time.

# 8th April 2008, 7:25 am / bigtable, google, googleappengine, python, scaling, virtualisation, wsgi