优化系统goroutine使用，减少goroutine数量，增加goman查看goroutine数量指令

internal/ttlcache/cache.go

@@ -1,7 +1,6 @@
 package ttlcache
 
 import (
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"time"
 )
 
@@ -19,7 +18,6 @@ type Cache struct {
 	maxItems    int
 
 	gcPieceIndex int
-	ticker       *utils.Ticker
 }
 
 func NewCache(opt ...OptionInterface) *Cache {
@@ -56,13 +54,8 @@ func NewCache(opt ...OptionInterface) *Cache {
 		cache.pieces = append(cache.pieces, NewPiece(maxItems/countPieces))
 	}
 
-	// start timer
-	go func() {
-		cache.ticker = utils.NewTicker(5 * time.Second)
-		for cache.ticker.Next() {
-			cache.GC()
-		}
-	}()
+	// Add to manager
+	SharedManager.Add(cache)
 
 	return cache
 }
@@ -149,12 +142,10 @@ func (this *Cache) Clean() {
 }
 
 func (this *Cache) Destroy() {
+	SharedManager.Remove(this)
+
 	this.isDestroyed = true
 
-	if this.ticker != nil {
-		this.ticker.Stop()
-		this.ticker = nil
-	}
 	for _, piece := range this.pieces {
 		piece.Destroy()
 	}

internal/ttlcache/cache_test.go

@@ -123,13 +123,18 @@ func TestCache_GC(t *testing.T) {
 func TestCache_GC2(t *testing.T) {
 	runtime.GOMAXPROCS(1)
 
-	cache := NewCache()
+	cache1 := NewCache(NewPiecesOption(32))
 	for i := 0; i < 1_000_000; i++ {
-		cache.Write(strconv.Itoa(i), i, time.Now().Unix()+int64(rands.Int(0, 100)))
+		cache1.Write(strconv.Itoa(i), i, time.Now().Unix()+int64(rands.Int(0, 10)))
+	}
+
+	cache2 := NewCache(NewPiecesOption(5))
+	for i := 0; i < 1_000_000; i++ {
+		cache2.Write(strconv.Itoa(i), i, time.Now().Unix()+int64(rands.Int(0, 10)))
 	}
 
 	for i := 0; i < 100; i++ {
-		t.Log(cache.Count(), "items")
+		t.Log(cache1.Count(), "items", cache2.Count(), "items")
 		time.Sleep(1 * time.Second)
 	}
 }

internal/ttlcache/manager.go

@@ -0,0 +1,53 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package ttlcache
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"sync"
+	"time"
+)
+
+var SharedManager = NewManager()
+
+type Manager struct {
+	ticker *time.Ticker
+	locker sync.Mutex
+
+	cacheMap map[*Cache]bool
+}
+
+func NewManager() *Manager {
+	var manager = &Manager{
+		ticker:   time.NewTicker(3 * time.Second),
+		cacheMap: map[*Cache]bool{},
+	}
+
+	goman.New(func() {
+		manager.init()
+	})
+
+	return manager
+}
+
+func (this *Manager) init() {
+	for range this.ticker.C {
+		this.locker.Lock()
+		for cache := range this.cacheMap {
+			cache.GC()
+		}
+		this.locker.Unlock()
+	}
+}
+
+func (this *Manager) Add(cache *Cache) {
+	this.locker.Lock()
+	this.cacheMap[cache] = true
+	this.locker.Unlock()
+}
+
+func (this *Manager) Remove(cache *Cache) {
+	this.locker.Lock()
+	delete(this.cacheMap, cache)
+	this.locker.Unlock()
+}