Archive for the ‘Gizzard’ Category

User Generated Content and the Social Graph
(thoughts on merging)

Sunday, July 24th, 2011

User Generated Content and the Social Graph by Chris Chandler.

Uses Twitter as a case study. Covers Gizzard and FlockDB, both of which were written in Scala.

Wants to coin the term “MoSQL! (More than SQL).”

A couple of points of interest to topic mappers.

Relationships maintained as forward and backward edges. That is:

“A follows B” and

“B is followed by A”

Twitter design decision: Never delete edges!

Curious if any of the current topic map implementations follow that strategy with regard to merging? Thinking that the act of creating a new item either references other existing item (in which case create new version of those items) or it is an entirely new item.

In either case, a subsequent call returns a set of matching items and if more than one, take the most recent one by timestamp.

As Chris says, disk space is cheap.

Works for Twitter.