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How Discord Migrated Trillions of Messages from Cassandra to ScyllaDB

29 minutes
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In This NoSQL Presentation

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. Bo Ingram, Senior Software Engineer at Discord, provides a technical look, including:
  • Their reasons for moving from Apache Cassandra to ScyllaDB
  • Their strategy for migrating trillions of messages
  • How they designed a new storage topology – using a hybrid-RAID1 architecture – for extremely low latency on GCP
  • The role of their existing Rust messages service, new Rust data service library, and new Rust data migrator in this project
  • What they’ve achieved so far, lessons learned, and what they’re tackling next
ScyllaDB Summit 2023 Speaker – Bo Ingram, Discord, Senior Software Engineer

Bo Ingram, Senior Software Engineer, Discord

Bo Ingram is a Senior Software Engineer at Discord.

Video Transcript

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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