Opt-in Weaviate multi-tenancy, vector compression, and advanced index options#38215
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Opt-in Weaviate multi-tenancy, vector compression, and advanced index options#38215dudanogueira wants to merge 2 commits into
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- Bump image to cr.weaviate.io/semitechnologies/weaviate:1.38.1 across docker-compose.yaml, docker-compose.middleware.yaml, and the template - Bump weaviate-client 4.20.5 -> 4.22.0 (vdb-weaviate package + uv.lock) - Add missing WEAVIATE_GRPC_ENDPOINT / EXPOSE_WEAVIATE_GRPC_PORT entries to api/.env.example, integration test env, and middleware.env.example
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… options Adds backward-compatible, default-off options to the Weaviate vector backend: - Multi-tenancy (WEAVIATE_MULTI_TENANCY_ENABLED): new datasets sharing an embedding model are stored as isolated tenants in one shared collection (tenant = dataset id) instead of one collection per dataset. Existing datasets keep their persisted layout; the layout is recorded in index_struct. - Vector compression (WEAVIATE_COMPRESSION): rq | pq | bq | sq with tuning knobs; flat index restricted to bq. - Index type (WEAVIATE_INDEX_TYPE): hnsw | flat | dynamic, plus WEAVIATE_DYNAMIC_INDEX_THRESHOLD and WEAVIATE_DISTANCE_METRIC. Dynamic index requires ASYNC_INDEXING on the server; added ASYNC_INDEXING env to the compose files (default off) and a clear error hint. - Optional WEAVIATE_REPLICATION_FACTOR. All data operations are routed through a tenant-scoped collection helper; tenant create/remove is handled on delete and collection creation. Adds 25 unit tests covering index/compression building, the flat+non-BQ constraint, tenant scoping, and factory layout selection; existing tests updated for the new surface.
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Summary
Adds opt-in, default-off options to the Weaviate vector backend: native multi-tenancy, vector compression, and configurable index type / distance metric. Existing behavior is unchanged when the flags are off, and existing datasets keep their persisted layout.
WEAVIATE_MULTI_TENANCY_ENABLED): new datasets sharing an embedding model are stored as isolated tenants in one shared collection (tenant = dataset id) instead of one collection per dataset. The chosen layout is persisted inindex_struct, so existing datasets are never silently migrated.WEAVIATE_COMPRESSION):rq | pq | bq | sqwith tuning knobs; a flat index is restricted tobq.WEAVIATE_INDEX_TYPE):hnsw | flat | dynamic, plusWEAVIATE_DYNAMIC_INDEX_THRESHOLDandWEAVIATE_DISTANCE_METRIC. Dynamic index requiresASYNC_INDEXING=trueon the server (added to the compose files, default off) with a clear error hint.WEAVIATE_REPLICATION_FACTOR.All data operations are routed through a tenant-scoped collection helper; tenant create/remove is handled on collection creation and delete.
Fixes #38212
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Checklist
make lint && make type-check(backend) — both pass. Frontendpnpm exec vp stagedN/A (no frontend changes).From Claude Code