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Vearch 是一个分布式向量搜索系统,可以用来计算向量相似度,或用于机器学习领域,如:图像识别、视频识别或自然语言处理等各个领域 spread retract

  • Go 65.9%
  • C++ 27.9%
  • Python 4.8%
  • Shell 0.7%
  • CMake 0.4%
  • Other 0.3%
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README.md

master: Build Status     dev: Build Status

Overview

Vearch is a scalable distributed system for efficient similarity search of deep learning vectors.

Architecture

arc

  • Data Model

    space, documents, vectors, scalars

  • Components

    Master, Router and PartitionServer

  • Master

    Responsible for schema mananagement, cluster-level metadata, and resource coordination.

  • Router

    Provides RESTful API: create , delete search and update ; request routing, and result merging.

  • PartitionServer (PS)

    Hosts document partitions with raft-based replication.

    Gamma is the core vector search engine implemented based on faiss. It provides the ability of storing, indexing and retrieving the vectors and scalars.

Quick start

  • Quickly build a distributed vector search system with RESTful API, please see docs/Deploy.md.

  • Vearch can be leveraged to build a complete visual search system to index billions of images. The image retrieval plugin for object detection and feature extraction is also required. For more information, please refer to docs/Quickstart.md.

APIs and Use Cases

LowLevelAPI

VisualSearchAPI

Document

Benchmarks

Publication

Jie Li, Haifeng Liu, Chuanghua Gui, Jianyu chen, Zhenyun Ni, Ning Wang, Yuan Chen. The Design and Implementation of a Real Time Visual Search System on JD E-commerce Platform. In the 19th International ACM Middleware Conference, December 10–14, 2018, Rennes, France. https://arxiv.org/abs/1908.07389

Community

You can report bugs or ask questions in the issues page of the repository.

For public discussion of Vearch or for questions, you can also send email to vearch-maintainers@groups.io.

License

Licensed under the Apache License, Version 2.0. For detail see LICENSE and NOTICE.

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