Services and Rails: The Sh*t They Don't Tell You
summary
Yammer runs 100+ web servers and handles about 500 million requests a day with a 98% cache hit rate and roughly 20+ services behind the rails monolith. Engineering builds a vagrant development environment, a one‑click deploy system, Dropwizard-based JVM services, a charty profiler and smaller pieces like a mugshot image service. Migration uses double-dispatch backfill and gradual cutover, tests take hours, services sometimes hang browsers from missing timeouts, and the search stack gets rewritten multiple times as lessons emerge.
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chapters (5)
- 0:00Start
- 5:33Reusability
- 9:56The Messaging Team
- 10:36Rails and Core Services Teams
- 12:00Example cross-functional team
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