自动清理过期指标统计数据

internal/db/models/stats/server_domain_hourly_stat_dao.go

@@ -7,6 +7,7 @@ import (
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/dbs"
 	"github.com/iwind/TeaGo/maps"
+	"github.com/iwind/TeaGo/rands"
 	timeutil "github.com/iwind/TeaGo/utils/time"
 	"time"
 )
@@ -16,7 +17,7 @@ type ServerDomainHourlyStatDAO dbs.DAO
 func init() {
 	dbs.OnReadyDone(func() {
 		// 清理数据任务
-		var ticker = time.NewTicker(24 * time.Hour)
+		var ticker = time.NewTicker(time.Duration(rands.Int(24, 48)) * time.Hour)
 		go func() {
 			for range ticker.C {
 				err := SharedServerDomainHourlyStatDAO.Clean(nil, 60) // 只保留60天