https://cassiobotaro.dev/en/tags/sliding-window/Recent content in Sliding-Window on cassiobotaroHugoenThu, 29 Oct 2026 13:15:29 -0300https://cassiobotaro.dev/en/posts/go-concurrency-sliding-window/Mon, 09 Nov 2026 00:00:00 -0300https://cassiobotaro.dev/en/posts/go-concurrency-sliding-window/<video src="https://cassiobotaro.dev/videos/janelas_deslizantes.mp4" title="A three-value window dropping the oldest when the consumer falls behind" aria-label="A three-value window dropping the oldest when the consumer falls behind" autoplay loop muted playsinline controls preload="metadata" style="width: 100%; height: auto;"> </video> <p>In the <a href="https://cassiobotaro.dev/en/posts/go-concurrency-backpressure/" >backpressure</a> post the slow consumer made the producer wait, and nothing got lost.</p> <p>But not every value deserves to wait. If the producer is a position sensor and the consumer fell four seconds behind, the reading from four seconds ago is no longer any use. What matters is the newest one.</p>