filer: migrating filer store from persisting shorter structured file id instead of a string

weed/pb/filer_pb/filer_pb_helper_test.go

@@ -0,0 +1,18 @@
+package filer_pb
+
+import (
+	"testing"
+
+	"github.com/gogo/protobuf/proto"
+)
+
+func TestFileIdSize(t *testing.T) {
+	fileIdStr := "11745,0293434534cbb9892b"
+
+	fid, _ := toFileId(fileIdStr)
+	bytes, _ := proto.Marshal(fid)
+
+	println(len(fileIdStr))
+	println(len(bytes))
+}
+