Inside Discord's Massive Message Storage System

How to scale a Cassandra cluster with partitions to achieve minimal downtime and the lowest p99 latency? How Discord came up with a smart database architecture for all of that and much more, including sharding, database design, database migration, caching, and much more.

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📚 Resources:
Original article:   / discord  
Cassandra data model: https://www.scylladb.com/glossary/cas...
Cassandra's best practices: https://cassandra.apache.org/doc/late...
Memtables and SSTables: https://docs.datastax.com/en/cassandr...
Tokio ecosystem: https://tokio.rs/
RAID: https://www.techtarget.com/searchstor...
p99 latency: https://www.cockroachlabs.com/blog/ge...

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