this post was submitted on 27 Aug 2023
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8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers (newsletter.systemdesign.one)
submitted 1 year ago by ooli@lemmy.world to c/technology@lemmy.world
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[–] just_another_person@lemmy.world 22 points 1 year ago

Dumb article. Will save everyone a click:

  1. lower level languages
  2. higher/wider concurrency
  3. faster auto-scaling

The same formula for every platform operating out there. What they don't talk about is efficiency, which is always the most juicy part of these kinds of writeups. You can scale anything to do 50b messages with enough money and resources, but how efficient is it?