Current status: All our ducks are in a row.

What is this site? We monitor the status of and our class sites, and we update here whenever there are interruptions in service.

Tuesday, November 13, 2012


At 6.45pm, 13 Nov 2012, Coursera's database instances on Amazon AWS went through an Amazon initiated and managed system upgrade. While most of our database instances got upgraded without much issues, one of our database instance met unexpected issues and is in the process of recovering. This is affecting a small subset of our classes and our student wiki.