get rid of memory leak

Author: SvartMetal

cloud/filestore/libs/storage/tablet/bench/tablet_bench.cpp

@@ -5,9 +5,9 @@
 
 #include <library/cpp/testing/benchmark/bench.h>
 
+#include <util/generic/singleton.h>
 #include <util/generic/vector.h>
 
-#include <atomic>
 #include <memory>
 
 using namespace NCloud;
@@ -70,27 +70,10 @@ struct TTabletSetup
     }
 };
 
-// Using a non-owning static variable because the test Actor System crashes
-// during initialization.
-// A singleton also doesn’t work because it causes
-// other issues during deinitialization.
-// A memory leak is the price we pay to prevent the program from crashing.
-// This is acceptable because benchmarks are not run under sanitizers
-std::atomic<TTabletSetup*> Tablet = nullptr;
-
 TTabletSetup* GetOrCreateTablet()
 {
-    if (Tablet.load()) {
-        return Tablet.load();
-    }
-
-    auto tmp = std::make_unique<TTabletSetup>();
-    TTabletSetup* expected = nullptr;
-    if (!Tablet.compare_exchange_strong(expected, tmp.get())) {
-        return Tablet.load();
-    }
-
-    return tmp.release();
+    constexpr ui64 Priority = Max<ui64>();
+    return SingletonWithPriority<TTabletSetup, Priority>();
 }
 
 }   // namespace

cloud/filestore/libs/storage/tablet/bench/ya.make

@@ -1,6 +1,9 @@
 Y_BENCHMARK()
 
-NO_SANITIZE()
+IF (SANITIZER_TYPE)
+    TAG(ya:manual)
+ENDIF()
+
 
 SRCS(
     tablet_bench.cpp

contrib/ydb/library/actors/util/local_process_key.h

@@ -131,8 +131,9 @@ class TEnumProcessKey {
 
     static size_t GetIndex(const EnumT key) {
         ui32 index = static_cast<ui32>(key);
-        Y_ABORT_UNLESS(index < Enum2Index.size());
-        return Enum2Index[index];
+        const auto& enum2Index = Singleton<TEnum2Index>()->Enum2Index;
+        Y_ABORT_UNLESS(index < enum2Index.size());
+        return enum2Index[index];
     }
 
 private:
@@ -153,5 +154,8 @@ class TEnumProcessKey {
         return enum2Index;
     }
 
-    inline static TVector<size_t> Enum2Index = RegisterAll();
+    struct TEnum2Index
+    {
+        TVector<size_t> Enum2Index = RegisterAll();
+    };
 };