riot

riot full text search engine

简体中文

• Efficient indexing and search (1M blog 500M data 28 seconds index finished, 1.65 ms search response time, 19K search QPS）
• Support for logical search
• Support Chinese word segmentation (use gse word segmentation package concurrent word, speed 27MB / s）
• Support the calculation of the keyword in the text close to the distance（token proximity）
• Support calculation BM25 correlation
• Support custom scoring field and scoring rules
• Support add online, delete index
• Support heartbeat
• Support multiple persistent storage
• Support distributed index and search
• Can be achieved distributed index and search

Requirements

Go version >= 1.8

Installation/Update

go get -u github.com/go-ego/riot

Build-tools

go get -u github.com/go-ego/re 

re riot

To create a new riot application

$ re riot my-riotapp

re run

To run the application we just created, you can navigate to the application folder and execute:

$ cd my-riotapp && re run

Usage:

Look at an example（simplest_example.go）

package main

import (
	"log"

	"github.com/go-ego/riot/engine"
	"github.com/go-ego/riot/types"
)

var (
	// searcher is coroutine safe
	searcher = engine.Engine{}
)

func main() {
	// Init
	searcher.Init(types.EngineInitOptions{
		NotUsingSegmenter: true})
	defer searcher.Close()

	// Add the document to the index, docId starts at 1
	searcher.IndexDocument(1, types.DocIndexData{Content: "Google Is Experimenting With Virtual Reality Advertising"}, false)
	searcher.IndexDocument(2, types.DocIndexData{Content: "Google accidentally pushed Bluetooth update for Home speaker early"}, false)
	searcher.IndexDocument(3, types.DocIndexData{Content: "Google is testing another Search results layout with rounded cards, new colors, and the 4 mysterious colored dots again"}, false)

	// Wait for the index to refresh
	searcher.FlushIndex()

	// The search output format is found in the types.SearchResponse structure
	log.Print(searcher.Search(types.SearchRequest{Text:"google testing"}))
}

It is very simple!

Donate

Supporting riot, buy me a coffee.

Paypal

Donate money by paypal to my account vzvway@gmail.com

License

Riot is primarily distributed under the terms of the Apache License (Version 2.0), base on wukong.