缓存策略移除“容纳Key数量”选项；缓存占用空间统计改成统计缓存目录所在文件系统

internal/utils/fs/stat_test.go

@@ -0,0 +1,69 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package fsutils_test
+
+import (
+	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestStat(t *testing.T) {
+	stat, err := fsutils.Stat("/usr/local")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("available:", stat.AvailableSize()/(1<<30), "total:", stat.TotalSize()/(1<<30), "used:", stat.UsedSize()/(1<<30))
+}
+
+func TestStatCache(t *testing.T) {
+	for i := 0; i < 10; i++ {
+		stat, err := fsutils.StatCache("/usr/local")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("available:", stat.AvailableSize()/(1<<30), "total:", stat.TotalSize()/(1<<30), "used:", stat.UsedSize()/(1<<30))
+	}
+}
+
+func TestConcurrent(t *testing.T) {
+	var before = time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+
+	var count = 10000
+	var wg = sync.WaitGroup{}
+	wg.Add(count)
+	for i := 0; i < count; i++ {
+		go func() {
+			defer wg.Done()
+
+			_, _ = fsutils.Stat("/usr/local")
+		}()
+	}
+	wg.Wait()
+}
+
+func BenchmarkStat(b *testing.B) {
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := fsutils.Stat("/usr/local")
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}
+
+func BenchmarkStatCache(b *testing.B) {
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := fsutils.StatCache("/usr/local")
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}