Go Open Source, Distributed, Simple and efficient full text search engine.
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 add online, delete index
Support heartbeat
Support multiple persistent storage
Support distributed index and search
Can be achieved distributed index and search
Go version >= 1.8
Riot uses go module or dep to manage dependencies.
go get -u github.com/go-ego/riot
go get -u github.com/go-ego/re
To create a new riot application
$ re riot my-riotapp
To run the application we just created, you can navigate to the application folder and execute:
$ cd my-riotapp && re run
package main
import (
"log"
"github.com/go-ego/riot"
"github.com/go-ego/riot/types"
)
var (
// searcher is coroutine safe
searcher = riot.Engine{}
)
func main() {
// Init
searcher.Init(types.EngineOpts{
// Using: 4,
NotUseGse: true,
})
defer searcher.Close()
text := "Google Is Experimenting With Virtual Reality Advertising"
text1 := `Google accidentally pushed Bluetooth update for Home
speaker early`
text2 := `Google is testing another Search results layout with
rounded cards, new colors, and the 4 mysterious colored dots again`
// Add the document to the index, docId starts at 1
searcher.Index("1", types.DocData{Content: text})
searcher.Index("2", types.DocData{Content: text1}, false)
searcher.IndexDoc("3", types.DocData{Content: text2}, true)
// Wait for the index to refresh
searcher.Flush()
// engine.FlushIndex()
// The search output format is found in the types.SearchResp structure
log.Print(searcher.Search(types.SearchReq{Text:"google testing"}))
}
It is very simple!
package main
import (
"log"
"github.com/go-ego/riot"
"github.com/go-ego/riot/types"
)
var (
searcher = riot.New("zh")
)
func main() {
data := types.DocData{Content: `I wonder how, I wonder why
, I wonder where they are`}
data1 := types.DocData{Content: "所以, 你好, 再见"}
data2 := types.DocData{Content: "没有理由"}
searcher.Index("1", data)
searcher.Index("2", data1)
searcher.Index("3", data2)
searcher.Flush()
req := types.SearchReq{Text: "你好"}
search := searcher.Search(req)
log.Println("search...", search)
}
Riot is primarily distributed under the terms of the Apache License (Version 2.0), base on wukong.
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