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| # 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 | |
| * [x] Distributed querying | |
| * [x] Integration of [raft](https://raft.github.io/) for distributed consistency | |
| * [x] Sharding - group segments into shards | |
| * [x] Cluster scaling | |
| * [x] Replications - automatic segment replication between nodes in cluster | |
| --- | |
| * :electric_plug: Integration & Interfaces | |
| * [x] gPRC version of each REST API endpoint | |
| * [x] Split REST Endpoints for better documentation and client generation | |
| --- | |
| * :truck: Payload Processing | |
| * [x] Support storing any JSON as a Payload | |
| * [ ] ~~Support more payload types, e.g.~~ | |
| * ~~Data-time~~ | |
| * [x] Support for `Null` values | |
| * [x] Enable more types of filtering queries, e.g. | |
| * [x] Filter by Score | |
| * [x] Filter by number of stored elements | |
| * [x] `isNull` or `isEmpty` query conditions | |
| * Additionally | |
| * [x] Full-text filtering support | |
| * [x] Multiple vectors per record support | |
| --- | |
| * :racing_car: Performance improvements | |
| * [x] Indexing of geo-payload | |
| * [x] On the fly payload index | |
| * [x] Multiprocessing segment optimization | |
| * [x] Fine-tuned HNSW index configuration | |