Remove redundant TString conversion in blobstorage

remove redundant copying

1 files changed, 7 insertions, 0 deletions

diff --git a/library/cpp/actors/util/contiguous_data.h b/library/cpp/actors/util/contiguous_data.h
index 8eda607711f..303d2df3a20 100644
--- a/library/cpp/actors/util/contiguous_data.h
+++ b/library/cpp/actors/util/contiguous_data.h
@@ -697,8 +697,15 @@ public:
     {}
 
     explicit TContiguousData(TString s)
+#ifndef KIKIMR_TRACE_CONTIGUOUS_DATA_GROW
         : Backend(std::move(s))
+#endif
     {
+#ifdef KIKIMR_TRACE_CONTIGUOUS_DATA_GROW
+        auto ss = NActors::TSharedData::Copy(s.data(), s.size());
+        TBackTracingOwner::FakeOwner(ss, TBackTracingOwner::INFO_COPIED_STRING);
+        Backend = TBackend(std::move(ss));
+#endif
         auto span = Backend.GetData();
         Begin = span.data();
         End = Begin + span.size();