How Discord Stores Trillions of Messages
Inside Discord's migration from MongoDB, to Cassandra, to ScyllaDB.
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Learn about how Discord is using ScyllaDB NoSQL
How Discord migrated from Cassandra to ScyllaDB by writing their own data access layer to coalesce concurrent queries, performed a full migration of trillions of messages, reduced cluster size from 177 to 72 nodes, and reduced P99 latencies up to 14X.
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How Discord Migrated Trillions of Messages from Cassandra to ScyllaDB
Learn why and how Discord’s persistence team recently completed their most ambitious migration yet: moving their massive set of trillions of messages from Cassandra to ScyllaDB.
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How Discord Built a Developer-Friendly Key-Value Service Atop ScyllaDB
Discover Discord's approach to more quickly and simply onboarding new data storage use cases with their key-value store service
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How Discord Supercharges Network Disks for Extreme Low Latency
How they designed a new storage topology – using a hybrid-RAID1 architecture – for extremely low latency on GCP.
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Discord, on the Joy of Opinionated Systems
Mark Smith of Discord describes the benefits of "opinionated systems" systems providing strong indications of best practices.
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Discord: The Joy of Opinionated Systems
Discord shares lessons learned migrating its production data off MongoDB and Apache Cassandra and to ScyllaDB, which now serves as its core storage layer.
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