Cherry pick fix leak (#3167)

Co-authored-by: Oleg Doronin <dorooleg@yandex.ru>

Author: ildar-khisambeev

.github/config/muted_ya.txt

@@ -14,10 +14,6 @@ ydb/core/client/ut TClientTest.ReadFromFollower
 ydb/core/client/ut TFlatTest.AutoSplitMergeQueue
 ydb/core/cms/ut_sentinel TSentinelTests.BSControllerCantChangeStatus
 ydb/core/debug_tools/ut OperationLog.ConcurrentWrites
-ydb/core/persqueue/ut [31/40]*
-ydb/core/persqueue/ut TopicSplitMerge.PartitionSplit
-ydb/core/persqueue/ut TPersQueueMirrorer.TestBasicRemote
-ydb/core/persqueue/ut TPQTest.TestDirectReadHappyWay
 ydb/core/quoter/ut QuoterWithKesusTest.PrefetchCoefficient
 ydb/core/kafka_proxy/ut KafkaProtocol.CreatePartitionsScenario
 ydb/core/kafka_proxy/ut KafkaProtocol.ProduceScenario

ydb/core/persqueue/ut/mirrorer_ut.cpp

@@ -251,7 +251,6 @@ Y_UNIT_TEST_SUITE(TPersQueueMirrorer) {
                 }
             }
         }
-
     }
 
     Y_UNIT_TEST(ValidStartStream) {

ydb/public/sdk/cpp/client/ydb_persqueue_core/impl/read_session.cpp

@@ -57,6 +57,8 @@ TReadSession::TReadSession(const TReadSessionSettings& settings,
 }
 
 TReadSession::~TReadSession() {
+    Close(TDuration::Zero());
+
     {
         TDeferredActions<true> deferred;
         NYql::TIssues issues;

ydb/public/sdk/cpp/client/ydb_persqueue_core/impl/read_session.h

@@ -518,6 +518,11 @@ class TRawPartitionStreamEventQueue {
         (NotReady.empty() ? Ready : NotReady).pop_back();
     }
 
+    void clear() noexcept {
+        NotReady.clear();
+        Ready.clear();
+    }
+
     void SignalReadyEvents(TIntrusivePtr<TPartitionStreamImpl<UseMigrationProtocol>> stream,
                            TReadSessionEventsQueue<UseMigrationProtocol>& queue,
                            TDeferredActions<UseMigrationProtocol>& deferred);
@@ -539,6 +544,7 @@ class TRawPartitionStreamEventQueue {
                                  TUserRetrievedEventsInfoAccumulator<UseMigrationProtocol>& accumulator,
                                  std::deque<TRawPartitionStreamEvent<UseMigrationProtocol>>& queue);
 
+private:
     std::deque<TRawPartitionStreamEvent<UseMigrationProtocol>> Ready;
     std::deque<TRawPartitionStreamEvent<UseMigrationProtocol>> NotReady;
 };
@@ -719,6 +725,14 @@ class TPartitionStreamImpl : public TAPartitionStream<UseMigrationProtocol> {
 
     void DeleteNotReadyTail(TDeferredActions<UseMigrationProtocol>& deferred);
 
+    void ClearQueue() noexcept {
+        EventsQueue.clear();
+    }
+
+    TRawPartitionStreamEventQueue<UseMigrationProtocol> ExtractQueue() noexcept {
+        return std::move(EventsQueue);
+    }
+
     static void GetDataEventImpl(TIntrusivePtr<TPartitionStreamImpl<UseMigrationProtocol>> partitionStream,
                                  size_t& maxEventsCount,
                                  size_t& maxByteSize,
@@ -776,14 +790,27 @@ class TReadSessionEventsQueue: public TBaseSessionEventsQueue<TAReadSessionSetti
 
     bool Close(const TASessionClosedEvent<UseMigrationProtocol>& event, TDeferredActions<UseMigrationProtocol>& deferred) {
         TWaiter waiter;
+        TVector<TRawPartitionStreamEventQueue<UseMigrationProtocol>> deferredDelete;
         with_lock (TParent::Mutex) {
-            if (TParent::Closed)
+            if (TParent::Closed) {
                 return false;
+            }
+            deferredDelete.reserve(TParent::Events.size());
+            while (!TParent::Events.empty()) {
+                auto& event = TParent::Events.front();
+                if (!event.IsEmpty()) {
+                    deferredDelete.push_back(event.PartitionStream->ExtractQueue());
+                }
+                TParent::Events.pop();
+            }
             TParent::CloseEvent = event;
             TParent::Closed = true;
             waiter = TWaiter(TParent::Waiter.ExtractPromise(), this);
         }
 
+        // Delayed deletion is necessary to avoid deadlock with PushEvent
+        deferredDelete.clear();
+
         TReadSessionEventInfo<UseMigrationProtocol> info(event);
         ApplyHandler(info, deferred);
         deferred.DeferSignalWaiter(std::move(waiter));
@@ -959,6 +986,8 @@ class TSingleClusterReadSessionImpl : public NPersQueue::TEnableSelfContext<TSin
     {
     }
 
+    ~TSingleClusterReadSessionImpl();
+
     void Start();
     void ConfirmPartitionStreamCreate(const TPartitionStreamImpl<UseMigrationProtocol>* partitionStream, TMaybe<ui64> readOffset, TMaybe<ui64> commitOffset);
     void ConfirmPartitionStreamDestroy(TPartitionStreamImpl<UseMigrationProtocol>* partitionStream);

ydb/public/sdk/cpp/client/ydb_persqueue_core/impl/read_session.ipp

@@ -225,6 +225,14 @@ void TRawPartitionStreamEventQueue<UseMigrationProtocol>::DeleteNotReadyTail(TDe
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // TSingleClusterReadSessionImpl
 
+template<bool UseMigrationProtocol>
+TSingleClusterReadSessionImpl<UseMigrationProtocol>::~TSingleClusterReadSessionImpl() {
+    for (auto&& [_, partitionStream] : PartitionStreams) {
+        partitionStream->ClearQueue();
+    }
+}
+
+
 template<bool UseMigrationProtocol>
 TStringBuilder TSingleClusterReadSessionImpl<UseMigrationProtocol>::GetLogPrefix() const {
     return TStringBuilder() << GetDatabaseLogPrefix(Database) << "[" << SessionId << "] [" << ClusterName << "] ";
@@ -1057,6 +1065,7 @@ inline void TSingleClusterReadSessionImpl<true>::OnReadDoneImpl(
         PartitionStreams[partitionStream->GetAssignId()];
     if (currentPartitionStream) {
         CookieMapping.RemoveMapping(currentPartitionStream->GetPartitionStreamId());
+
         bool pushRes = EventsQueue->PushEvent(
             currentPartitionStream,
              TReadSessionEvent::TPartitionStreamClosedEvent(

ydb/public/sdk/cpp/client/ydb_topic/impl/read_session.cpp

@@ -34,6 +34,8 @@ TReadSession::TReadSession(const TReadSessionSettings& settings,
 }
 
 TReadSession::~TReadSession() {
+    Close(TDuration::Zero());
+
     Abort(EStatus::ABORTED, "Aborted");
     ClearAllEvents();