Check log file size more often to prevent huge log files

Changelog.md

@@ -8,6 +8,7 @@ Changelog [format](http://keepachangelog.com/en/1.0.0/)
 * GODT-409 Set flags have to replace all flags.
 * GODT-531 Better way to add trusted certificate in macOS.
 * Bumped golangci-lint to v1.29.0
+* GODT-549 Check log file size more often to prevent huge log files.
 
 ### Fixed
 * GODT-454 Fix send on closed channel when receiving unencrypted send confirmation from GUI.

pkg/config/logs.go

@@ -152,7 +152,11 @@ func getLogFilename(logPrefix string) string {
 func watchLogFileSize(logDir, logPrefix string) {
 	go func() {
 		for {
-			time.Sleep(60 * time.Second)
+			// Some rare bug can cause log file spamming a lot. Checking file
+			// size too often is not good, and at the same time postpone next
+			// check for too long is the same thing. 30 seconds seems as good
+			// compromise; average computer can generates ~500MB in 30 seconds.
+			time.Sleep(30 * time.Second)
 			checkLogFileSize(logDir, logPrefix)
 		}
 	}()