Most of us who deal with traditional databases take auto-increments for granted. While auto-increments are simple on consistent clusters, it can become a challenge in a cluster of independent nodes which don’t use the same source for the unique-ids. Even bigger challenge is to do it in such a way so that they are roughly [...]

A few of us joined in at the new Twitter office in downtown SF (right next to Moscone Center) and were for the first time shown what Twitter is doing about  “Twitter Annotations”. We probably created the first set of 3rd party applications around this new API. During the Hackathon I spent some time to [...]

NoSQL solutions have one thing in common. They are generally designed for horizontal scalability. So its no wonder that lot of applications in the “twitter” world have picked NoSQL based datastores for their persistence layer. Here is a collection of these apps from MyNoSQL blog. Twitter uses Cassandra MusicTweets used Redis [ Ref ] – [...]