执行定时任务时自动根据负载进行延后执行

internal/utils/fs/status.go

@@ -140,3 +140,13 @@ func calculateDiskMaxWrites() {
 		DiskMaxWrites = 4
 	}
 }
+
+// WaitLoad wait system load to downgrade
+func WaitLoad(maxLoad float64, maxLoops int, delay time.Duration) {
+	for i := 0; i < maxLoops; i++ {
+		stat, err := load.Avg()
+		if err == nil && stat.Load1 > maxLoad {
+			time.Sleep(delay)
+		}
+	}
+}

internal/utils/fs/status_test.go

@@ -6,6 +6,7 @@ import (
 	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
 	"github.com/iwind/TeaGo/assert"
 	"testing"
+	"time"
 )
 
 func TestWrites(t *testing.T) {
@@ -20,6 +21,10 @@ func TestWrites(t *testing.T) {
 	a.IsTrue(fsutils.WriteReady())
 }
 
+func TestWaitLoad(t *testing.T) {
+	fsutils.WaitLoad(100, 1, 1 * time.Minute)
+}
+
 func BenchmarkWrites(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {