Advertising | System Designhttps://system-design.devops-monk.com/tags/advertising/In-depth system design tutorials — from zero to millions of users. Written for engineers who want to understand how large-scale systems actually work.en-usabhaypratap3537@gmail.com (Abhay)abhaypratap3537@gmail.com (Abhay)Sun, 06 Sep 2026 22:11:29 +0000Design an Ad Click Event Aggregation Systemhttps://system-design.devops-monk.com/2026/06/design-ad-click-aggregation/Tue, 09 Jun 2026 10:00:00 +0000https://system-design.devops-monk.com/2026/06/design-ad-click-aggregation/abhaypratap3537@gmail.com (Abhay)Case StudiesA billion clicks a day, and the numbers become invoices. Event time versus processing time, watermarks, exactly-once as an actual requirement rather than a nice-to-have — with an interactive watermark simulator for the accuracy-versus-latency trade at the heart of every streaming system.Design an Ad Click Event Aggregation System

A billion clicks a day, and the numbers become invoices. Event time versus processing time, watermarks, exactly-once as an actual requirement rather than a nice-to-have — with an interactive watermark simulator for the accuracy-versus-latency trade at the heart of every streaming system.

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