adjust compression to optimize for speed

weed/operation/compress.go

@@ -72,7 +72,7 @@ func IsGzippableFileType(ext, mtype string) (shouldBeZipped, iAmSure bool) {
 
 func GzipData(input []byte) ([]byte, error) {
 	buf := new(bytes.Buffer)
-	w, _ := gzip.NewWriterLevel(buf, flate.BestCompression)
+	w, _ := gzip.NewWriterLevel(buf, flate.BestSpeed)
 	if _, err := w.Write(input); err != nil {
 		glog.V(2).Infoln("error compressing data:", err)
 		return nil, err

weed/operation/upload_content.go

@@ -2,6 +2,7 @@ package operation
 
 import (
 	"bytes"
+	"compress/flate"
 	"compress/gzip"
 	"encoding/json"
 	"errors"
@@ -50,7 +51,7 @@ func Upload(uploadUrl string, filename string, reader io.Reader, isGzipped bool,
 	}
 	return upload_content(uploadUrl, func(w io.Writer) (err error) {
 		if shouldGzipNow {
-			gzWriter := gzip.NewWriter(w)
+			gzWriter, _ := gzip.NewWriterLevel(w, flate.BestSpeed)
 			_, err = io.Copy(gzWriter, reader)
 			gzWriter.Close()
 		} else {