How Twitch optimizes Android performance

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Twitch discovered that Google Play's staged rollouts create biased user groups, breaking standard A/B testing assumptions. Here's how they adapted.

Improving Chat Rendering Performance

Company: Twitch · Aug 8, 2016
Platform: iOS / Android

Twitch was dropping frames like crazy. Chat messages were taking 200ms to render when they had just 16.667ms to work with for smooth 60fps video.

Twitch rebuilt their entire video infrastructure while serving millions of concurrent viewers. Here's how they pulled off a zero-downtime migration.

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