Posts filed under Engineering.
Our Datastream to BigQuery pipeline was delivering call data 5-15 minutes late and the bill kept climbing. Moving analytics to ClickHouse Cloud, and writing less data in the first place, made call data real time and cut costs to roughly a sixth.
TypeSafe's Jev is pitched at exactly the decisions that sit around a phone call. We put it on three real jobs against 17 models: it is 1.7 to 3.3 times faster everywhere, level with the best on judging and extraction, and not ready for routing.
Customers wanted to drop a Bolna agent onto their website. We budgeted five to six weeks, had a proof of concept in two, and shipped in about three - by reusing the telephony stack we already ran.
How the Bolna engineering team cut TCP connections across their WebSocket server fleet by hundreds per pod, without adding a single server.
Our real-time voice service containers were using too much memory and restarting mid-call. Two fixes: preloading workers and copy-on-write sharing.