How Discord Stores Trillions of Messages - A deep dive
The Backend Engineering Show with Hussein Nasser
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MongoDB Cassandra Messages
MongoDB by default and Cassandra and Silla they start with that model that sharding model where things are partitioned. This way you have the database that knows will have fewer and fewer data as a result your queries are faster. To our stress it was a high Toil system our on call team was frequently paged for issues with the database Latency was unpredictable and we were having to cut down maintenance operation that become too expensive Why why is latency unpredictable more?
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