Intermediate changes

commit_hash:2440e04b3b8bd1cf2e05526e854a12d30f34b8e8

2 files changed, 6 insertions, 2 deletions

diff --git a/yt/yt/library/oom/oom.h b/yt/yt/library/oom/oom.h
index 33a9206398..1fa01194dc 100644
--- a/yt/yt/library/oom/oom.h
+++ b/yt/yt/library/oom/oom.h
@@ -26,7 +26,7 @@ struct TTCMallocLimitHandlerOptions
 
     // Files structure would have the following form:
     // HeapDumpDirectory/<ActualName>_FilenameSuffix_Timestamp.ext.
-    TString FilenameSuffix = "";
+    std::optional<TString> FilenameSuffix;
     TDuration Timeout = TDuration::Minutes(5);
 };
 
diff --git a/yt/yt/library/oom/tcmalloc_memory_limit_handler.cpp b/yt/yt/library/oom/tcmalloc_memory_limit_handler.cpp
index ca624aaea0..cad154d211 100644
--- a/yt/yt/library/oom/tcmalloc_memory_limit_handler.cpp
+++ b/yt/yt/library/oom/tcmalloc_memory_limit_handler.cpp
@@ -35,11 +35,15 @@ namespace NYT {
 
 ////////////////////////////////////////////////////////////////////////////////
 
+namespace {
+
 TString MakeIncompletePath(const TString& path)
 {
     return NYT::Format("%v_incomplete", path);
 }
 
+} // namespace
+
 ////////////////////////////////////////////////////////////////////////////////
 
 void CollectAndDumpMemoryProfile(const TString& memoryProfilePath, tcmalloc::ProfileType profileType)
@@ -205,7 +209,7 @@ private:
     {
         return NYT::MakeFormatterWrapper([this, &timestamp] (TStringBuilderBase* builder) {
             if (Options_.FilenameSuffix) {
-                builder->AppendFormat("%v_", Options_.FilenameSuffix);
+                builder->AppendFormat("%v_", *Options_.FilenameSuffix);
             }
             FormatValue(builder, timestamp, "v");
         });