Change log

Features :hatching_chick:

• Snapshots - https://github.com/qdrant/qdrant/pull/764 https://github.com/qdrant/qdrant/pull/772

  • Allows to safely create a snapshot of running collection and recover it on another machine
  • Useful for backups, tests, and ensuring high availability
  • Documentation: https://qdrant.tech/documentation/snapshots/

• Count API - https://github.com/qdrant/qdrant/pull/777

  • Allows to retrieve a number of points that satisfy given filtering criteria
  • Useful for: pagination, facet search, debugging
  • Documentation: https://qdrant.tech/documentation/points/#counting-points

Improvements :eagle:

• Parallel building of HNSW index - https://github.com/qdrant/qdrant/commit/e983b07a1521cd47771b63006defe54f74d181ce
  • Qdrant allows now to utilize multiple processes for building HNSW index.
  • Building of large HNSW segments now benefits from the multi-core systems while significantly decreasing overall index building time.
• Improved condition for creating additional links in HNSW graph. https://github.com/qdrant/qdrant/pull/773
  • Additional links for payload with low variety of values won't be created as they do not have an impact on search performance.
• Improved behavior of Raft consensus during the bootstrap retry - https://github.com/qdrant/qdrant/issues/768

Bug fixes :octopus:

• fix db flush ordering to prevent persisting versions for un-persisted points https://github.com/qdrant/qdrant/commit/8ac3eef4c7e1519d78c0036b779b192cab482c94

Thanks @agourlay @e-ivkov for contributing to the release