Data Modelling Advice for Blog Tagging system on Google App Engine

Question

Am wondering if anyone might provide some conceptual advice on an efficient way to build a data model to accomplish the simple system described below. Am somewhat new to th

Answer 1

counts being pre-computed is not only practical, but also necessary because the count() function returns a maximum of 1000. if write-contention might be an issue, make sure to check out the sharded counter example.

http://code.google.com/appengine/articles/sharding_counters.html