Two-Stack Sliding-Window Aggregation

orlp.net Blog Tags Github Two-Stack Sliding-Window Aggregation 2026-10-02 An aggregation is some kind of summary of a set of data. This can be the sum, length, minimum, etc. It is quite common to want to calculate such a summary repeatedly, e.g. “the maximum noise level in dB for the past 30 seconds” for a nuisance detector. In such a case we say there is a sliding window over our data, and we want to aggregate over our window. If our aggregation is a binary operator with an inverse, like intege