Re-Architecting the Video Gatekeeper – Netflix TechBlog

By Drew Koszewnik

The Context

The Tech

The Status-Quo

Old Gatekeeper Architecture

The Idea

New Gatekeeper Architecture

The Problem

Hollow is like a time machine
Traditional Hollow usage

The Improvement

Incremental Hollow is like a faster time machine
Hollow Incremental Producer Service

The Tangible Result

Load reduction on one upstream system

The Intangible Result

The PREPROD Gatekeeper instance “follows” the PROD instance
A Hollow diff shows exactly what changes


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