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Comment by odo1242

4 days ago

The highest I could think of is WhatsApp, which gets ~1.6 million RPS on average, and they use MQTT

I used to scrape Meta sites at over 200k steady rps for a couple of years, all by myself.

They did send lawyers to my door in the end though.

Someone had forgot IPv6 rate limit bucketing :)

I work in manufacturing, you would be surprised at the volumes of sensor data being processed there for predictive maintenance.

MQTT is everywhere, indeed, because of how simple the protocol is (it’s very ubiquitous in IoT / embedded systems).

DynamoDB scales much more than that. In one of their dynamodb papers they claimed that the amazon us retail website alone made like 89 millions rps during prime day, a few years ago.

WhatsApp is primarily 1 to 1 messaging. Why would this be hard to scale? Scaling horizontally, sharding, and message routing is all it takes, surely?