diff --git a/weed/replication/sink/s3sink/s3_sink.go b/weed/replication/sink/s3sink/s3_sink.go
index 9c4a7498b..6b3a9c1ef 100644
--- a/weed/replication/sink/s3sink/s3_sink.go
+++ b/weed/replication/sink/s3sink/s3_sink.go
@@ -1,17 +1,14 @@
 package S3Sink
 
 import (
-	"bytes"
-	"context"
 	"fmt"
-	"strings"
-	"sync"
-
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/aws/aws-sdk-go/service/s3/s3iface"
+	"github.com/aws/aws-sdk-go/service/s3/s3manager"
+	"strings"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
@@ -109,57 +106,48 @@ func (s3sink *S3Sink) DeleteEntry(key string, isDirectory, deleteIncludeChunks b
 
 }
 
-func (s3sink *S3Sink) CreateEntry(key string, entry *filer_pb.Entry, signatures []int32) error {
+func (s3sink *S3Sink) CreateEntry(key string, entry *filer_pb.Entry, signatures []int32) (err error) {
 	key = cleanKey(key)
 
 	if entry.IsDirectory {
 		return nil
 	}
 
-	uploadId, err := s3sink.createMultipartUpload(key, entry)
-	if err != nil {
-		return fmt.Errorf("createMultipartUpload: %v", err)
+	reader := filer.NewFileReader(s3sink.filerSource, entry)
+
+	fileSize := int64(filer.FileSize(entry))
+
+	partSize := int64(8 * 1024 * 1024) // The minimum/default allowed part size is 5MB
+	for partSize*1000 < fileSize {
+		partSize *= 4
 	}
 
-	totalSize := filer.FileSize(entry)
+	// Create an uploader with the session and custom options
+	uploader := s3manager.NewUploaderWithClient(s3sink.conn, func(u *s3manager.Uploader) {
+		u.PartSize = partSize
+		u.Concurrency = 8
+	})
 
-	chunkViews := filer.ViewFromChunks(s3sink.filerSource.LookupFileId, entry.Chunks, 0, int64(totalSize))
-
-	parts := make([]*s3.CompletedPart, len(chunkViews))
-
-	if len(parts) > 0 {
-		var wg sync.WaitGroup
-		for chunkIndex, chunk := range chunkViews {
-			partId := chunkIndex + 1
-			wg.Add(1)
-			go func(chunk *filer.ChunkView, index int) {
-				defer wg.Done()
-				if part, uploadErr := s3sink.uploadPart(key, uploadId, partId, chunk); uploadErr != nil {
-					err = uploadErr
-					glog.Errorf("uploadPart: %v", uploadErr)
-				} else {
-					parts[index] = part
-				}
-			}(chunk, chunkIndex)
-		}
-		wg.Wait()
-	} else if len(entry.Content) > 0 {
-		// for small files
-		if part, uploadErr := s3sink.doUploadPart(key, uploadId, 1, bytes.NewReader(entry.Content)); uploadErr != nil {
-			err = uploadErr
-			glog.Errorf("uploadPart: %v", uploadErr)
-		} else {
-			parts = make([]*s3.CompletedPart, 1)
-			parts[0] = part
+	// process tagging
+	tags := ""
+	if true {
+		for k, v := range entry.Extended {
+			if len(tags) > 0 {
+				tags = tags + "&"
+			}
+			tags = tags + k + "=" + string(v)
 		}
 	}
 
-	if err != nil {
-		s3sink.abortMultipartUpload(key, uploadId)
-		return fmt.Errorf("uploadPart: %v", err)
-	}
+	// Upload the file to S3.
+	_, err = uploader.Upload(&s3manager.UploadInput{
+		Bucket:  aws.String(s3sink.bucket),
+		Key:     aws.String(key),
+		Body:    reader,
+		Tagging: aws.String(tags),
+	})
 
-	return s3sink.completeMultipartUpload(context.Background(), key, uploadId, parts)
+	return
 
 }