From the source
Summary by forck
Supabase announced pgvector 0.6.0, which adds parallel builds for HNSW indexes.
- Building an HNSW index is now up to 30x faster for unlogged tables and 7–9 times faster for logged tables on a 4XL instance.
- The release also allows tuning of HNSW build parameters without affecting search accuracy or queries per second.





