I've been looking at d3.js, and a few others, and this the closest to what I'm looking for:
The tiles would be red, yellow, or green. The data would be server health metrics pulled from a database that's updated in real time. Each tile would represent a server and it's status when the page loaded. The status would likely be a single value such as 100 for good health, and then each error would reduce that value by 5 or something.
I think the hardest part for me is figuring out how to generate the tiles in a webpage efficiently since I'd like to keep this scaleable. I've thought of using ColdFusion and doing a CFLoop to create a tile for each server and then javascript to color them according to the database contents. Or just go all out jquery.
Has anyone created a similar "heatmap" of data in a table format like this?