docs/roadmap/roadmap-2022.md

Roadmap 2022

This document describes what features and milestones were planned and achieved in 2022.

The main goals for the 2022 year were:

• Make API and Storage stable - ensure backward compatibility for at least one major version back.
  • Starting from the release, breaking changes in API should only be done with a proper deprecation notice
  • Storage should be compatible between any two consequent major versions
• Achieve horizontal scalability - distributed deployment able to serve billions of points
• Easy integration - make the user experience as smooth as possible
• Resource efficiency - push Qdrant performance on the single machine to the limit

Milestones

• :earth_americas: Distributed Deployment
  • Distributed querying
  • Integration of raft for distributed consistency
  • Sharding - group segments into shards
  • Cluster scaling
  • Replications - automatic segment replication between nodes in cluster

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• :electric_plug: Integration & Interfaces
  • gPRC version of each REST API endpoint
  • Split REST Endpoints for better documentation and client generation

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• :truck: Payload Processing

  • Support storing any JSON as a Payload
  • Support more payload types, e.g.
    • Data-time
  • Support for Null values
  • Enable more types of filtering queries, e.g.
    • Filter by Score
    • Filter by number of stored elements
    • isNull or isEmpty query conditions

• Additionally

  • Full-text filtering support
  • Multiple vectors per record support

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• :racing_car: Performance improvements
  • Indexing of geo-payload
  • On the fly payload index
  • Multiprocessing segment optimization
  • Fine-tuned HNSW index configuration