code EES_WRITTEN_IN_TX (#7766)

ydb/core/persqueue/partition_write.cpp

@@ -78,6 +78,8 @@ void TPartition::ReplyWrite(
     write->SetTotalTimeInPartitionQueueMs(queueTime.MilliSeconds());
     write->SetWriteTimeMs(writeTime.MilliSeconds());
 
+    write->SetWrittenInTx(IsSupportive());
+
     ctx.Send(Tablet, response.Release());
 }
 

ydb/core/protos/msgbus_pq.proto

@@ -446,6 +446,8 @@ message TPersQueuePartitionResponse {
         optional uint32 TopicQuotedTimeMs = 11;
         optional uint32 TotalTimeInPartitionQueueMs = 9;
         optional uint32 WriteTimeMs = 10;
+
+        optional bool WrittenInTx = 12;
     }
 
     message TCmdGetMaxSeqNoResult {

ydb/public/api/protos/ydb_topic.proto

@@ -198,6 +198,7 @@ message StreamWriteMessage {
             oneof message_write_status {
                 Written written = 2;
                 Skipped skipped = 3;
+                WrittenInTx written_in_tx = 4;
             }
 
             message Written {
@@ -213,6 +214,9 @@ message StreamWriteMessage {
                     REASON_ALREADY_WRITTEN = 1;
                 }
             }
+
+            message WrittenInTx {
+            }
         }
 
         // Message with write statistics.

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

@@ -982,17 +982,23 @@ TWriteSessionImpl::TProcessSrvMessageResult TWriteSessionImpl::ProcessServerMess
             writeStat->PartitionQuotedTime = durationConv(stat.partition_quota_wait_time());
             writeStat->TopicQuotedTime = durationConv(stat.topic_quota_wait_time());
 
-            for (size_t messageIndex = 0, endIndex = batchWriteResponse.acks_size(); messageIndex != endIndex; ++messageIndex) {
+            for (const auto& ack : batchWriteResponse.acks()) {
                 // TODO: Fill writer statistics
-                auto ack = batchWriteResponse.acks(messageIndex);
                 ui64 sequenceNumber = ack.seq_no();
 
-                Y_ABORT_UNLESS(ack.has_written() || ack.has_skipped());
-                auto msgWriteStatus = ack.has_written()
-                                ? TWriteSessionEvent::TWriteAck::EES_WRITTEN
-                                : (ack.skipped().reason() == Ydb::Topic::StreamWriteMessage_WriteResponse_WriteAck_Skipped_Reason::StreamWriteMessage_WriteResponse_WriteAck_Skipped_Reason_REASON_ALREADY_WRITTEN
-                                    ? TWriteSessionEvent::TWriteAck::EES_ALREADY_WRITTEN
-                                    : TWriteSessionEvent::TWriteAck::EES_DISCARDED);
+                Y_ABORT_UNLESS(ack.has_written() || ack.has_skipped() || ack.has_written_in_tx());
+
+                TWriteSessionEvent::TWriteAck::EEventState msgWriteStatus;
+                if (ack.has_written_in_tx()) {
+                    msgWriteStatus = TWriteSessionEvent::TWriteAck::EES_WRITTEN_IN_TX;
+                } else if (ack.has_written()) {
+                    msgWriteStatus = TWriteSessionEvent::TWriteAck::EES_WRITTEN;
+                } else {
+                    msgWriteStatus =
+                        (ack.skipped().reason() == Ydb::Topic::StreamWriteMessage_WriteResponse_WriteAck_Skipped_Reason::StreamWriteMessage_WriteResponse_WriteAck_Skipped_Reason_REASON_ALREADY_WRITTEN)
+                        ? TWriteSessionEvent::TWriteAck::EES_ALREADY_WRITTEN
+                        : TWriteSessionEvent::TWriteAck::EES_DISCARDED;
+                }
 
                 ui64 offset = ack.has_written() ? ack.written().offset() : 0;
 

ydb/public/sdk/cpp/client/ydb_topic/include/write_events.h

@@ -55,7 +55,8 @@ struct TWriteSessionEvent {
         enum EEventState {
             EES_WRITTEN, //! Successfully written.
             EES_ALREADY_WRITTEN, //! Skipped on SeqNo deduplication.
-            EES_DISCARDED //! In case of destruction of writer or retry policy discarded future retries in this writer.
+            EES_DISCARDED, //! In case of destruction of writer or retry policy discarded future retries in this writer.
+            EES_WRITTEN_IN_TX, //! Successfully written in tx.
         };
         //! Details of successfully written message.
         struct TWrittenMessageDetails {

ydb/public/sdk/cpp/client/ydb_topic/ut/topic_to_table_ut.cpp

@@ -31,10 +31,15 @@ protected:
         TTopicWriteSessionPtr Session;
         TMaybe<NTopic::TContinuationToken> ContinuationToken;
         size_t WriteCount = 0;
-        size_t AckCount = 0;
+        size_t WrittenAckCount = 0;
+        size_t WrittenInTxAckCount = 0;
 
         void WaitForContinuationToken();
         void Write(const TString& message, NTable::TTransaction* tx = nullptr);
+
+        size_t AckCount() const { return WrittenAckCount + WrittenInTxAckCount; }
+
+        void WaitForEvent();
     };
 
     void SetUp(NUnitTest::TTestContext&) override;
@@ -88,7 +93,8 @@ protected:
                                    NTable::TTransaction* tx = nullptr,
                                    TMaybe<ui32> partitionId = Nothing());
     void WaitForAcks(const TString& topicPath,
-                     const TString& messageGroupId);
+                     const TString& messageGroupId,
+                     size_t writtenInTxCount = Max<size_t>());
     void WaitForSessionClose(const TString& topicPath,
                              const TString& messageGroupId,
                              NYdb::EStatus status);
@@ -591,19 +597,31 @@ auto TFixture::GetTopicReadSession(const TString& topicPath,
 void TFixture::TTopicWriteSessionContext::WaitForContinuationToken()
 {
     while (!ContinuationToken.Defined()) {
-        Session->WaitEvent().Wait();
-        for (auto& event : Session->GetEvents()) {
-            if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TReadyToAcceptEvent>(&event)) {
-                ContinuationToken = std::move(e->ContinuationToken);
-            } else if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TAcksEvent>(&event)) {
-                for (auto& ack : e->Acks) {
-                    if (ack.State == NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN) {
-                        ++AckCount;
-                    }
+        WaitForEvent();
+    }
+}
+
+void TFixture::TTopicWriteSessionContext::WaitForEvent()
+{
+    Session->WaitEvent().Wait();
+    for (auto& event : Session->GetEvents()) {
+        if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TReadyToAcceptEvent>(&event)) {
+            ContinuationToken = std::move(e->ContinuationToken);
+        } else if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TAcksEvent>(&event)) {
+            for (auto& ack : e->Acks) {
+                switch (ack.State) {
+                case NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN:
+                    ++WrittenAckCount;
+                    break;
+                case NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN_IN_TX:
+                    ++WrittenInTxAckCount;
+                    break;
+                default:
+                    break;
                 }
-            } else if (auto* e = std::get_if<NTopic::TSessionClosedEvent>(&event)) {
-                UNIT_FAIL("");
             }
+        } else if (auto* e = std::get_if<NTopic::TSessionClosedEvent>(&event)) {
+            UNIT_FAIL("");
         }
     }
 }
@@ -691,7 +709,7 @@ TVector<TString> TFixture::ReadFromTopic(const TString& topicPath,
     return messages;
 }
 
-void TFixture::WaitForAcks(const TString& topicPath, const TString& messageGroupId)
+void TFixture::WaitForAcks(const TString& topicPath, const TString& messageGroupId, size_t writtenInTxCount)
 {
     std::pair<TString, TString> key(topicPath, messageGroupId);
     auto i = TopicWriteSessions.find(key);
@@ -699,26 +717,17 @@ void TFixture::WaitForAcks(const TString& topicPath, const TString& messageGroup
 
     auto& context = i->second;
 
-    UNIT_ASSERT(context.AckCount <= context.WriteCount);
+    UNIT_ASSERT(context.AckCount() <= context.WriteCount);
 
-    while (context.AckCount < context.WriteCount) {
-        context.Session->WaitEvent().Wait();
-        for (auto& event : context.Session->GetEvents()) {
-            if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TReadyToAcceptEvent>(&event)) {
-                context.ContinuationToken = std::move(e->ContinuationToken);
-            } else if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TAcksEvent>(&event)) {
-                for (auto& ack : e->Acks) {
-                    if (ack.State == NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN) {
-                        ++context.AckCount;
-                    }
-                }
-            } else if (auto* e = std::get_if<NTopic::TSessionClosedEvent>(&event)) {
-                UNIT_FAIL("");
-            }
-        }
+    while (context.AckCount() < context.WriteCount) {
+        context.WaitForEvent();
     }
 
-    UNIT_ASSERT(context.AckCount == context.WriteCount);
+    UNIT_ASSERT((context.WrittenAckCount + context.WrittenInTxAckCount) == context.WriteCount);
+
+    if (writtenInTxCount != Max<size_t>()) {
+        UNIT_ASSERT_VALUES_EQUAL(context.WrittenInTxAckCount, writtenInTxCount);
+    }
 }
 
 void TFixture::WaitForSessionClose(const TString& topicPath,
@@ -731,7 +740,7 @@ void TFixture::WaitForSessionClose(const TString& topicPath,
 
     auto& context = i->second;
 
-    UNIT_ASSERT(context.AckCount <= context.WriteCount);
+    UNIT_ASSERT(context.AckCount() <= context.WriteCount);
 
     for(bool stop = false; !stop; ) {
         context.Session->WaitEvent().Wait();
@@ -740,8 +749,15 @@ void TFixture::WaitForSessionClose(const TString& topicPath,
                 context.ContinuationToken = std::move(e->ContinuationToken);
             } else if (auto* e = std::get_if<NTopic::TWriteSessionEvent::TAcksEvent>(&event)) {
                 for (auto& ack : e->Acks) {
-                    if (ack.State == NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN) {
-                        ++context.AckCount;
+                    switch (ack.State) {
+                    case NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN:
+                        ++context.WrittenAckCount;
+                        break;
+                    case NTopic::TWriteSessionEvent::TWriteAck::EES_WRITTEN_IN_TX:
+                        ++context.WrittenInTxAckCount;
+                        break;
+                    default:
+                        break;
                     }
                 }
             } else if (auto* e = std::get_if<NTopic::TSessionClosedEvent>(&event)) {
@@ -752,7 +768,7 @@ void TFixture::WaitForSessionClose(const TString& topicPath,
         }
     }
 
-    UNIT_ASSERT(context.AckCount <= context.WriteCount);
+    UNIT_ASSERT(context.AckCount() <= context.WriteCount);
 }
 
 ui64 TFixture::GetTopicTabletId(const TActorId& actorId, const TString& topicPath, ui32 partition)
@@ -1852,7 +1868,7 @@ Y_UNIT_TEST_F(WriteToTopic_Demo_27, TFixture)
     CreateTopic("topic_B", TEST_CONSUMER);
     CreateTopic("topic_C", TEST_CONSUMER);
 
-    for (size_t i = 0; i < 2; ++i) {
+    for (size_t i = 0, writtenInTx = 0; i < 2; ++i) {
         WriteToTopic("topic_A", TEST_MESSAGE_GROUP_ID, "message #1", nullptr, 0);
         WriteToTopic("topic_B", TEST_MESSAGE_GROUP_ID, "message #2", nullptr, 0);
 
@@ -1862,12 +1878,14 @@ Y_UNIT_TEST_F(WriteToTopic_Demo_27, TFixture)
         auto messages = ReadFromTopic("topic_A", TEST_CONSUMER, TDuration::Seconds(2), &tx, 0);
         UNIT_ASSERT_VALUES_EQUAL(messages.size(), 1);
         WriteToTopic("topic_C", TEST_MESSAGE_GROUP_ID, messages[0], &tx, 0);
-        WaitForAcks("topic_C", TEST_MESSAGE_GROUP_ID);
+        ++writtenInTx;
+        WaitForAcks("topic_C", TEST_MESSAGE_GROUP_ID, writtenInTx);
 
         messages = ReadFromTopic("topic_B", TEST_CONSUMER, TDuration::Seconds(2), &tx, 0);
         UNIT_ASSERT_VALUES_EQUAL(messages.size(), 1);
         WriteToTopic("topic_C", TEST_MESSAGE_GROUP_ID, messages[0], &tx, 0);
-        WaitForAcks("topic_C", TEST_MESSAGE_GROUP_ID);
+        ++writtenInTx;
+        WaitForAcks("topic_C", TEST_MESSAGE_GROUP_ID, writtenInTx);
 
         CommitTx(tx, EStatus::SUCCESS);
 

ydb/services/persqueue_v1/actors/write_session_actor.cpp

@@ -928,14 +928,16 @@ void TWriteSessionActor<UseMigrationProtocol>::ProcessWriteResponse(
     };
 
     auto addAck = [this](const TPersQueuePartitionResponse::TCmdWriteResult& res,
-                     Topic::StreamWriteMessage::WriteResponse* writeResponse,
-                     Topic::StreamWriteMessage::WriteResponse::WriteStatistics* stat) {
+                         Topic::StreamWriteMessage::WriteResponse* writeResponse,
+                         Topic::StreamWriteMessage::WriteResponse::WriteStatistics* stat) {
         auto ack = writeResponse->add_acks();
         // TODO (ildar-khisam@): validate res before filling ack fields
         ack->set_seq_no(res.GetSeqNo());
         if (res.GetAlreadyWritten()) {
             Y_ABORT_UNLESS(UseDeduplication);
             ack->mutable_skipped()->set_reason(Topic::StreamWriteMessage::WriteResponse::WriteAck::Skipped::REASON_ALREADY_WRITTEN);
+        } else if (res.HasWrittenInTx() && res.GetWrittenInTx()) {
+            ack->mutable_written_in_tx();
         } else {
             ack->mutable_written()->set_offset(res.GetOffset());
         }