Reset pipeline in datashard init (#11483)

Author: azevaykin

ydb/core/tx/datashard/datashard__init.cpp

@@ -26,6 +26,7 @@ bool TDataShard::TTxInit::Execute(TTransactionContext& txc, const TActorContext&
         Self->NextSeqno = 1;
         Self->NextChangeRecordOrder = 1;
         Self->LastChangeRecordGroup = 1;
+        Self->Pipeline.Reset();
         Self->TransQueue.Reset();
         Self->SnapshotManager.Reset();
         Self->SchemaSnapshotManager.Reset();

ydb/core/tx/datashard/datashard_pipeline.cpp

@@ -42,6 +42,34 @@ TPipeline::~TPipeline()
     }
 }
 
+void TPipeline::Reset() {
+    ImmediateOps.clear();
+    ActiveOps.clear();
+    ActivePlannedOps.clear();
+    DataTxCache.clear();
+    DelayedAcks.clear();
+    LastPlannedTx = {0, 0};
+    LastCompleteTx = {0, 0};
+    UtmostCompleteTx = {0, 0};
+    KeepSchemaStep = 0;
+    LastCleanupTime = 0;
+    SchemaTx = nullptr;
+    ExecuteBlockers.clear();
+    CandidateOps.clear();
+    CandidateUnits.clear();
+    NextActiveOp = {};
+    SlowOpProfiles.clear();
+    ActiveStreamingTxs.clear();
+    PredictedPlan.clear();
+    WaitingSchemeOpsOrder.clear();
+    WaitingSchemeOps.clear();
+    WaitingDataTxOps.clear();
+    CommittingOps.Reset();
+    CompletingOps.clear();
+    WaitingDataReadIterators.clear();
+    WaitingReadIteratorsById.clear();
+}
+
 bool TPipeline::Load(NIceDb::TNiceDb& db) {
     using Schema = TDataShard::Schema;
 

ydb/core/tx/datashard/datashard_pipeline.h

@@ -85,6 +85,7 @@ class TPipeline : TNonCopyable {
     TPipeline(TDataShard * self);
     ~TPipeline();
 
+    void Reset();
     bool Load(NIceDb::TNiceDb& db);
     void UpdateConfig(NIceDb::TNiceDb& db, const NKikimrSchemeOp::TPipelineConfig& cfg);
 
@@ -489,6 +490,11 @@ class TPipeline : TNonCopyable {
             }
         }
 
+        void Reset() {
+            TxIdMap.clear();
+            ItemsSet.clear();
+        }
+
         inline bool HasOpsBelow(TRowVersion upperBound) const {
             return bool(ItemsSet) && *ItemsSet.begin() <= upperBound;
         }