countdb

count events with arbitrary names, over time, aggregates minutes/hours/days

tl;dr

• counts events with arbitrary names
• stores events per minute (averaging multiple measurements)
• aggregates events per hour/day

API: CountDB

open(filename) opens the CountDB readonly

open_for_counting(filename) constitutes a single measurement, stored in a CountDB, allows multiple calls to count(key)

open_for_extending(filename) extends the current CountDB with another one (extend(), used for the aggregation)