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How Discord Stores Trillions of Messages - A deep dive

The Backend Engineering Show with Hussein Nasser

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Cilla DB Migration

Cassandra is written in C++ rather than Java. Historically our team had many issues of garbage collection with Cassandra from GC poses affecting latency all the way to super long Consecutive GC poses that got so bad that operator would manually reboot and babysit the known Back to health Wow, that is that is really bad if I know it just dies because of the garbage collection can keep up. By 2020 we had migrated every database But one to sell a DB.

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