优化缓存LFU逻辑

internal/caches/item.go

@@ -3,7 +3,6 @@ package caches
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
 	"strings"
-	"time"
 )
 
 type ItemType = int
@@ -16,7 +15,7 @@ const (
 // 计算当前周
 // 不要用YW，因为需要计算两周是否临近
 func currentWeek() int32 {
-	return int32(time.Now().Unix() / 86400)
+	return int32(fasttime.Now().Unix() / 86400)
 }
 
 type Item struct {
@@ -29,10 +28,7 @@ type Item struct {
 	MetaSize   int64    `json:"metaSize"`
 	Host       string   `json:"host"`     // 主机名
 	ServerId   int64    `json:"serverId"` // 服务ID
-
-	Week1Hits int64 `json:"week1Hits"`
-	Week2Hits int64 `json:"week2Hits"`
-	Week      int32 `json:"week"`
+	Week       int32    `json:"week"`
 }
 
 func (this *Item) IsExpired() bool {
@@ -47,20 +43,6 @@ func (this *Item) Size() int64 {
 	return this.HeaderSize + this.BodySize
 }
 
-func (this *Item) IncreaseHit(week int32) {
-	if this.Week == week {
-		this.Week2Hits++
-	} else {
-		if week-this.Week == 1 {
-			this.Week1Hits = this.Week2Hits
-		} else {
-			this.Week1Hits = 0
-		}
-		this.Week2Hits = 1
-		this.Week = week
-	}
-}
-
 func (this *Item) RequestURI() string {
 	var schemeIndex = strings.Index(this.Key, "://")
 	if schemeIndex <= 0 {