diff --git a/ydb/core/tx/columnshard/columnshard_impl.cpp b/ydb/core/tx/columnshard/columnshard_impl.cpp
index 9abb2d302bff..e184f1eda46b 100644
--- a/ydb/core/tx/columnshard/columnshard_impl.cpp
+++ b/ydb/core/tx/columnshard/columnshard_impl.cpp
@@ -1232,6 +1232,7 @@ class TAccessorsParsingTask: public NConveyor::ITask {
     std::vector<TPortionConstructorV2> Portions;
 
     virtual void DoExecute(const std::shared_ptr<ITask>& /*taskPtr*/) override {
+        TMemoryProfileGuard mpg("TAccessorsParsingTask::Execute");
         std::vector<std::shared_ptr<NOlap::TPortionDataAccessor>> accessors;
         accessors.reserve(Portions.size());
         for (auto&& i : Portions) {