working commit

app/server/server.go

@@ -253,8 +253,10 @@ func (srv *Server) Daemonize() error {
 
 func (srv *Server) Rotator() {
 	srv.wg.Add(1)
+	var counter uint64
 	logFunc := func() {
 		for {
+			counter += 1
 			select {
 			case <-srv.ctx.Done():
 				srv.wg.Done()
@@ -262,25 +264,27 @@ func (srv *Server) Rotator() {
 				return
 			default:
 			}
-			stat, err := srv.logf.Stat()
-			if err == nil && stat.Size() > srv.conf.LogLimit {
-				srv.log.Infof("Rotate log file")
-				countFiles := 3
-				for i := 1; i < countFiles; i++ {
-					nextName := fmt.Sprintf("%s.%d", srv.conf.LogPath, i+1)
-					prevName := fmt.Sprintf("%s.%d", srv.conf.LogPath, i)
-					os.Rename(prevName, nextName)
-				}
-				os.Rename(srv.conf.LogPath, srv.conf.LogPath+".1")
-				logFile, err := os.OpenFile(srv.conf.LogPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0640)
-				if err == nil {
-					syscall.Dup2(int(logFile.Fd()), int(os.Stdout.Fd()))
-					syscall.Dup2(int(logFile.Fd()), int(os.Stderr.Fd()))
-					srv.logf.Close()
-					srv.logf = logFile
+			if (counter % 60) == 1 {
+				stat, err := srv.logf.Stat()
+				if err == nil && stat.Size() > srv.conf.LogLimit {
+					srv.log.Infof("Rotate log file")
+					countFiles := 3
+					for i := 1; i < countFiles; i++ {
+						nextName := fmt.Sprintf("%s.%d", srv.conf.LogPath, i+1)
+						prevName := fmt.Sprintf("%s.%d", srv.conf.LogPath, i)
+						os.Rename(prevName, nextName)
+					}
+					os.Rename(srv.conf.LogPath, srv.conf.LogPath+".1")
+					logFile, err := os.OpenFile(srv.conf.LogPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0640)
+					if err == nil {
+						syscall.Dup2(int(logFile.Fd()), int(os.Stdout.Fd()))
+						syscall.Dup2(int(logFile.Fd()), int(os.Stderr.Fd()))
+						srv.logf.Close()
+						srv.logf = logFile
+					}
 				}
 			}
-			time.Sleep(3 * time.Second)
+			time.Sleep(1 * time.Second)
 		}
 	}
 	go logFunc()