From 57a46f46a0465db30d6a8906c367da5071a327e7 Mon Sep 17 00:00:00 2001
From: chrislu <chris.lu@gmail.com>
Date: Fri, 26 Aug 2022 16:55:15 -0700
Subject: [PATCH] nano level precision

---
 weed/filer/reader_cache.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/weed/filer/reader_cache.go b/weed/filer/reader_cache.go
index 89db04eb0..cb89c03c5 100644
--- a/weed/filer/reader_cache.go
+++ b/weed/filer/reader_cache.go
@@ -96,7 +96,7 @@ func (rc *ReaderCache) ReadChunkAt(buffer []byte, fileId string, cipherKey []byt
 
 	// clean up old downloaders
 	if len(rc.downloaders) >= rc.limit {
-		oldestFid, oldestTime := "", time.Now().Unix()
+		oldestFid, oldestTime := "", time.Now().UnixNano()
 		for fid, downloader := range rc.downloaders {
 			completedTime := atomic.LoadInt64(&downloader.completedTimeNew)
 			if completedTime > 0 && completedTime < oldestTime {
@@ -179,7 +179,7 @@ func (s *SingleChunkCacher) startCaching() {
 	if s.shouldCache {
 		s.parent.chunkCache.SetChunk(s.chunkFileId, s.data)
 	}
-	atomic.StoreInt64(&s.completedTimeNew, time.Now().Unix())
+	atomic.StoreInt64(&s.completedTimeNew, time.Now().UnixNano())
 
 	return
 }