Limits
There isn't a limit or performance metric we can't improve by an order of magnitude when prioritized. If you expect to brush up against a limit or you are limited by present performance, contact us.
| Limit | Current |
|---|---|
| Max documents (global) | Unlimited (seen: 1T+ @ 3PB+) |
| Max documents (per namespace) | 128B @ 256TB (seen: 100B @ 200TB) |
| Max shards per namespace | 256 |
| Max documents (per shard) | 500M @ 1TB |
| Max number of namespaces | Unlimited (seen: 250M+) |
| Max number of pinned namespaces | 256 |
| Max vector columns per namespace | 8 |
| Maximum number of embedded attributes per namespace | 4 |
| Max dimensions for dense vectors | 10,752 |
| Max total dimensions for sparse vectors | Unlimited (seen: 30,522) |
| Max dimensions per sparse vector | 1,024 |
| Max inactive time in cache | hours |
| Max write throughput (global) | Unlimited (seen: 10M+ writes/s @ 32GB/s) |
| Max write throughput (per namespace) | 10k writes/s @ 32 MB/s |
| Max namespace copy throughput | 72 MB/s |
| Number of branches | Unlimited (seen: 10M+) |
| Max upsert batch request size | 512 MB |
| Max upsert batch of embedded attributes | 256 rows |
| Max rows affected by patch by filter | 50k |
| Max rows affected by delete by filter | 5M |
| Max ingested, unindexed data | 2 GB |
| Max queries (global) | Unlimited (seen: 100k+ queries/s) |
| Max queries (per namespace) | 5k+ queries/s |
| Max queries in a multi-query request | 16 |
| Max concurrent queries per unpinned namespace | 16 (100s of queries/s) |
| Max read replicas | Unlimited (seen: 3) |
| Vector search recall@10 | 90-100% |
| Max attribute value size | 8 MiB |
| Max filterable value size | 4 KiB |
| Max document size | 64 MiB |
| Max id size | 64 bytes |
| Max attribute name length | 128 bytes |
| Max attribute names per namespace | 1,024 |
| Max namespace name length | 128 bytes |
| Max full-text query length | 8,192 |
| Max limit.total | 10k |
| Max aggregation groups per query | 10k |
| Max computed attributes per query | 256 |
| Max fragments per highlight | 1024 |
