diff --git a/weed/filesys/dirty_pages_temp_file.go b/weed/filesys/dirty_pages_temp_file.go
index e0c3a91de..4297ec62d 100644
--- a/weed/filesys/dirty_pages_temp_file.go
+++ b/weed/filesys/dirty_pages_temp_file.go
@@ -51,7 +51,6 @@ func (pages *TempFileDirtyPages) FlushData() error {
 	if pages.lastErr != nil {
 		return fmt.Errorf("flush data: %v", pages.lastErr)
 	}
-	pages.chunkedFile.Reset()
 	return nil
 }
 
@@ -68,6 +67,7 @@ func (pages *TempFileDirtyPages) saveChunkedFileToStorage() {
 	pages.chunkedFile.ProcessEachInterval(func(file *os.File, logicChunkIndex page_writer.LogicChunkIndex, interval *page_writer.ChunkWrittenInterval) {
 		reader := page_writer.NewFileIntervalReader(pages.chunkedFile, logicChunkIndex, interval)
 		pages.saveChunkedFileIntevalToStorage(reader, int64(logicChunkIndex)*pages.chunkedFile.ChunkSize+interval.StartOffset, interval.Size())
+		interval.MarkFlushed()
 	})
 
 }
@@ -102,5 +102,5 @@ func (pages *TempFileDirtyPages) saveChunkedFileIntevalToStorage(reader io.Reade
 }
 
 func (pages TempFileDirtyPages) Destroy() {
-	pages.chunkedFile.Reset()
+	pages.chunkedFile.Destroy()
 }
diff --git a/weed/filesys/page_writer/chunk_interval_list.go b/weed/filesys/page_writer/chunk_interval_list.go
index dca9a1740..838b1cdfe 100644
--- a/weed/filesys/page_writer/chunk_interval_list.go
+++ b/weed/filesys/page_writer/chunk_interval_list.go
@@ -6,6 +6,7 @@ import "math"
 type ChunkWrittenInterval struct {
 	StartOffset int64
 	stopOffset  int64
+	flushed     bool
 	prev        *ChunkWrittenInterval
 	next        *ChunkWrittenInterval
 }
@@ -18,6 +19,10 @@ func (interval *ChunkWrittenInterval) isComplete(chunkSize int64) bool {
 	return interval.stopOffset-interval.StartOffset == chunkSize
 }
 
+func (interval *ChunkWrittenInterval) MarkFlushed() {
+	interval.flushed = true
+}
+
 // ChunkWrittenIntervalList mark written intervals within one page chunk
 type ChunkWrittenIntervalList struct {
 	head *ChunkWrittenInterval
@@ -64,18 +69,21 @@ func (list *ChunkWrittenIntervalList) addInterval(interval *ChunkWrittenInterval
 	if interval.StartOffset <= p.stopOffset && q.StartOffset <= interval.stopOffset {
 		// merge p and q together
 		p.stopOffset = q.stopOffset
+		p.flushed = false
 		unlinkNodesBetween(p, q.next)
 		return
 	}
 	if interval.StartOffset <= p.stopOffset {
 		// merge new interval into p
 		p.stopOffset = interval.stopOffset
+		p.flushed = false
 		unlinkNodesBetween(p, q)
 		return
 	}
 	if q.StartOffset <= interval.stopOffset {
 		// merge new interval into q
 		q.StartOffset = interval.StartOffset
+		q.flushed = false
 		unlinkNodesBetween(p, q)
 		return
 	}
diff --git a/weed/filesys/page_writer/chunked_file_writer.go b/weed/filesys/page_writer/chunked_file_writer.go
index b0e1c2844..d2f94dafd 100644
--- a/weed/filesys/page_writer/chunked_file_writer.go
+++ b/weed/filesys/page_writer/chunked_file_writer.go
@@ -106,13 +106,15 @@ func (cw *ChunkedFileWriter) ProcessEachInterval(process func(file *os.File, log
 	for logicChunkIndex, actualChunkIndex := range cw.logicToActualChunkIndex {
 		chunkUsage := cw.chunkUsages[actualChunkIndex]
 		for t := chunkUsage.head.next; t != chunkUsage.tail; t = t.next {
-			process(cw.file, logicChunkIndex, t)
+			if !t.flushed {
+				process(cw.file, logicChunkIndex, t)
+			}
 		}
 	}
 }
 
-// Reset releases used resources
-func (cw *ChunkedFileWriter) Reset() {
+// Destroy releases used resources
+func (cw *ChunkedFileWriter) Destroy() {
 	if cw.file != nil {
 		cw.file.Close()
 		os.Remove(cw.file.Name())
diff --git a/weed/filesys/page_writer/chunked_file_writer_test.go b/weed/filesys/page_writer/chunked_file_writer_test.go
index 244ed62c3..1c72c77d4 100644
--- a/weed/filesys/page_writer/chunked_file_writer_test.go
+++ b/weed/filesys/page_writer/chunked_file_writer_test.go
@@ -35,9 +35,9 @@ func writeToFile(cw *ChunkedFileWriter, startOffset int64, stopOffset int64) {
 
 func TestWriteChunkedFile(t *testing.T) {
 	x := NewChunkedFileWriter(os.TempDir(), 20)
-	defer x.Reset()
+	defer x.Destroy()
 	y := NewChunkedFileWriter(os.TempDir(), 12)
-	defer y.Reset()
+	defer y.Destroy()
 
 	batchSize := 4
 	buf := make([]byte, batchSize)
diff --git a/weed/filesys/page_writer/chunked_stream_writer_test.go b/weed/filesys/page_writer/chunked_stream_writer_test.go
index 3c55a91ad..364148c14 100644
--- a/weed/filesys/page_writer/chunked_stream_writer_test.go
+++ b/weed/filesys/page_writer/chunked_stream_writer_test.go
@@ -10,7 +10,7 @@ func TestWriteChunkedStream(t *testing.T) {
 	x := NewChunkedStreamWriter(20)
 	defer x.Reset()
 	y := NewChunkedFileWriter(os.TempDir(), 12)
-	defer y.Reset()
+	defer y.Destroy()
 
 	batchSize := 4
 	buf := make([]byte, batchSize)