fix load speed

Author: xieguanfeng

filter/ahocorasick.go

@@ -147,25 +147,19 @@ func (m *AcModel) buildFailPointers() {
 
 func (m *AcModel) Listen(addChan, delChan <-chan string) {
 	go func() {
-		var words []string
-
 		for word := range addChan {
-			words = append(words, word)
+			m.addWord(word)
 			if len(addChan) == 0 {
-				m.AddWords(words...)
-				word = word[:0]
+				m.buildFailPointers()
 			}
 		}
 	}()
 
 	go func() {
-		var words []string
-
 		for word := range delChan {
-			words = append(words, word)
+			m.delWord(word)
 			if len(delChan) == 0 {
-				m.DelWords(words...)
-				word = word[:0]
+				m.buildFailPointers()
 			}
 		}
 	}()

store/memory.go

@@ -3,11 +3,12 @@ package store
 import (
 	"bufio"
 	"errors"
-	"github.com/imroc/req/v3"
-	cmap "github.com/orcaman/concurrent-map/v2"
 	"io"
 	"net/http"
 	"os"
+
+	"github.com/imroc/req/v3"
+	cmap "github.com/orcaman/concurrent-map/v2"
 )
 
 type MemoryModel struct {
@@ -19,8 +20,8 @@ type MemoryModel struct {
 func NewMemoryModel() *MemoryModel {
 	return &MemoryModel{
 		store:   cmap.New[struct{}](),
-		addChan: make(chan string),
-		delChan: make(chan string),
+		addChan: make(chan string, 1000),
+		delChan: make(chan string, 1000),
 	}
 }