Data infrastructure and software engineering.https://dhrumkit.com/https://dhrumkit.com/writing/watermarks-and-the-price-of-waiting/https://dhrumkit.com/writing/watermarks-and-the-price-of-waiting/A stream processor can never know that all the data for a window has arrived. A watermark is its bet, and the delay you give it is the stake.Sat, 26 Sep 2026 00:00:00 GMT