From 17f2d05cded9dee2cece0a4e9c5e49d9ad02e845 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Tue, 14 Jul 2020 11:25:50 -0700
Subject: [PATCH] filer: ensure logs are persisted

---
 weed/filer2/filer_notify.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/weed/filer2/filer_notify.go b/weed/filer2/filer_notify.go
index 340f19fb5..e5f9eba0a 100644
--- a/weed/filer2/filer_notify.go
+++ b/weed/filer2/filer_notify.go
@@ -78,8 +78,13 @@ func (f *Filer) logFlushFunc(startTime, stopTime time.Time, buf []byte) {
 		// startTime.Second(), startTime.Nanosecond(),
 	)
 
-	if err := f.appendToFile(targetFile, buf); err != nil {
-		glog.V(0).Infof("log write failed %s: %v", targetFile, err)
+	for {
+		if err := f.appendToFile(targetFile, buf); err != nil {
+			glog.V(1).Infof("log write failed %s: %v", targetFile, err)
+			time.Sleep(737 * time.Millisecond)
+		} else {
+			break
+		}
 	}
 }