#cassandra on Hacker News

3 stories tagged cassandra, newest first.

Screenshot of discord.com: How Discord stores trillions of messages (2023)

How Discord stores trillions of messages (2023)(discord.com)

379 points by jakey_bakey 2 years ago | 209 comments

Discord engineering blog post describing how the company migrated its trillions of stored messages from Cassandra to ScyllaDB, including Rust data services.

discord scylladb cassandra database-migration

Screenshot of foojay.io: Vector indexing all of Wikipedia on a laptop

Vector indexing all of Wikipedia on a laptop (foojay.io)

466 points by tjake 2 years ago | 133 comments

Foojay.io article by DataStax CTO Jonathan Ellis on building a vector index of all Wikipedia on a laptop using Java tools.

vector-search jvector wikipedia java

Screenshot of read.engineerscodex.com: Apple built iCloud to store billions of databases

Apple built iCloud to store billions of databases (read.engineerscodex.com)

441 points by gempir 2 years ago | 170 comments

Engineer's Codex newsletter post explaining how Apple uses Cassandra and FoundationDB to power CloudKit and store billions of iCloud databases.

foundationdb cassandra icloud cloudkit

#cassandra on Hacker News

How Discord stores trillions of messages (2023)(discord.com)

Vector indexing all of Wikipedia on a laptop(foojay.io)

Apple built iCloud to store billions of databases(read.engineerscodex.com)

Vector indexing all of Wikipedia on a laptop (foojay.io)

Apple built iCloud to store billions of databases (read.engineerscodex.com)