Jonathan Ellis created CASSANDRA-18557:
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Summary: CEP-30 ANN Vector Search with SAI
Key: CASSANDRA-18557
URL: https://issues.apache.org/jira/browse/CASSANDRA-18557
Project: Cassandra
Issue Type: Epic
Reporter: Jonathan Ellis
[CEP-30|https://cwiki.apache.org/confluence/display/CASSANDRA/CEP-30%3A+Approximate+Nearest+Neighbor%28ANN%29+Vector+Search+via+Storage-Attached+Indexes]
# Implement approximate nearest neighbor (ANN) vector search capability in
Apache Cassandra using storage-attached indexes (SAI).
# Support a vector of float32 embeddings as a new CQL type.
# Add ANN search to work with normal Cassandra data flow (insertion, updating,
and deleting rows). The implementation should support adding a new vector in
log(N) time, and ANN queries in M log(N) time where N is the number of vectors
and M is the number of sstables.
# Compose with other SAI predicates.
# Scatter/gather across replicas, combining topK from each to get global topK.
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