diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 795ff54318..2de770423a 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -57,7 +57,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04]
         go: [1.19.6, 1.20.1]
-        pg: [9.6.5, 10]
+        pg: [10]
     runs-on: ${{ matrix.os }}
     services:
       postgres:
diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index 68fa123de3..933252ce0c 100644
--- a/.github/workflows/horizon.yml
+++ b/.github/workflows/horizon.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04]
         go: [1.19.6, 1.20.1]
-        pg: [9.6.5]
+        pg: [10]
         ingestion-backend: [db, captive-core, captive-core-remote-storage]
         protocol-version: [19]
     runs-on: ${{ matrix.os }}
diff --git a/services/horizon/internal/db2/history/fee_bump_scenario.go b/services/horizon/internal/db2/history/fee_bump_scenario.go
index 0c279d737f..46cc423227 100644
--- a/services/horizon/internal/db2/history/fee_bump_scenario.go
+++ b/services/horizon/internal/db2/history/fee_bump_scenario.go
@@ -264,14 +264,13 @@ func FeeBumpScenario(tt *test.T, q *Q, successful bool) FeeBumpFixture {
 	account := fixture.Envelope.SourceAccount().ToAccountId()
 	feeBumpAccount := fixture.Envelope.FeeBumpAccount().ToAccountId()
 
-	opBuilder := q.NewOperationBatchInsertBuilder(1)
+	opBuilder := q.NewOperationBatchInsertBuilder()
 	details, err := json.Marshal(map[string]string{
 		"bump_to": "98",
 	})
 	tt.Assert.NoError(err)
 
 	tt.Assert.NoError(opBuilder.Add(
-		ctx,
 		toid.New(fixture.Ledger.Sequence, 1, 1).ToInt64(),
 		toid.New(fixture.Ledger.Sequence, 1, 0).ToInt64(),
 		1,
@@ -280,7 +279,7 @@ func FeeBumpScenario(tt *test.T, q *Q, successful bool) FeeBumpFixture {
 		account.Address(),
 		null.String{},
 	))
-	tt.Assert.NoError(opBuilder.Exec(ctx))
+	tt.Assert.NoError(opBuilder.Exec(ctx, q))
 
 	effectBuilder := q.NewEffectBatchInsertBuilder(2)
 	details, err = json.Marshal(map[string]interface{}{"new_seq": 98})
diff --git a/services/horizon/internal/db2/history/mock_operations_batch_insert_builder.go b/services/horizon/internal/db2/history/mock_operations_batch_insert_builder.go
index e57eb93db9..34cda0d3f8 100644
--- a/services/horizon/internal/db2/history/mock_operations_batch_insert_builder.go
+++ b/services/horizon/internal/db2/history/mock_operations_batch_insert_builder.go
@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/guregu/null"
+	"github.com/stellar/go/support/db"
 	"github.com/stellar/go/xdr"
 	"github.com/stretchr/testify/mock"
 )
@@ -14,7 +15,7 @@ type MockOperationsBatchInsertBuilder struct {
 }
 
 // Add mock
-func (m *MockOperationsBatchInsertBuilder) Add(ctx context.Context,
+func (m *MockOperationsBatchInsertBuilder) Add(
 	id int64,
 	transactionID int64,
 	applicationOrder uint32,
@@ -23,7 +24,7 @@ func (m *MockOperationsBatchInsertBuilder) Add(ctx context.Context,
 	sourceAccount string,
 	sourceAccountMuxed null.String,
 ) error {
-	a := m.Called(ctx,
+	a := m.Called(
 		id,
 		transactionID,
 		applicationOrder,
@@ -36,7 +37,7 @@ func (m *MockOperationsBatchInsertBuilder) Add(ctx context.Context,
 }
 
 // Exec mock
-func (m *MockOperationsBatchInsertBuilder) Exec(ctx context.Context) error {
-	a := m.Called(ctx)
+func (m *MockOperationsBatchInsertBuilder) Exec(ctx context.Context, session db.SessionInterface) error {
+	a := m.Called(ctx, session)
 	return a.Error(0)
 }
diff --git a/services/horizon/internal/db2/history/mock_q_operations.go b/services/horizon/internal/db2/history/mock_q_operations.go
index 08a97c6da9..6c2741ad3e 100644
--- a/services/horizon/internal/db2/history/mock_q_operations.go
+++ b/services/horizon/internal/db2/history/mock_q_operations.go
@@ -8,7 +8,7 @@ type MockQOperations struct {
 }
 
 // NewOperationBatchInsertBuilder mock
-func (m *MockQOperations) NewOperationBatchInsertBuilder(maxBatchSize int) OperationBatchInsertBuilder {
-	a := m.Called(maxBatchSize)
+func (m *MockQOperations) NewOperationBatchInsertBuilder() OperationBatchInsertBuilder {
+	a := m.Called()
 	return a.Get(0).(OperationBatchInsertBuilder)
 }
diff --git a/services/horizon/internal/db2/history/operation.go b/services/horizon/internal/db2/history/operation.go
index af1741b0d0..c1b5d71bb9 100644
--- a/services/horizon/internal/db2/history/operation.go
+++ b/services/horizon/internal/db2/history/operation.go
@@ -379,7 +379,7 @@ func validateTransactionForOperation(transaction Transaction, operation Operatio
 
 // QOperations defines history_operation related queries.
 type QOperations interface {
-	NewOperationBatchInsertBuilder(maxBatchSize int) OperationBatchInsertBuilder
+	NewOperationBatchInsertBuilder() OperationBatchInsertBuilder
 }
 
 var selectOperation = sq.Select(
diff --git a/services/horizon/internal/db2/history/operation_batch_insert_builder.go b/services/horizon/internal/db2/history/operation_batch_insert_builder.go
index a3baee8863..9922ee7d7c 100644
--- a/services/horizon/internal/db2/history/operation_batch_insert_builder.go
+++ b/services/horizon/internal/db2/history/operation_batch_insert_builder.go
@@ -12,7 +12,6 @@ import (
 // history_operations table
 type OperationBatchInsertBuilder interface {
 	Add(
-		ctx context.Context,
 		id int64,
 		transactionID int64,
 		applicationOrder uint32,
@@ -21,27 +20,25 @@ type OperationBatchInsertBuilder interface {
 		sourceAccount string,
 		sourceAcccountMuxed null.String,
 	) error
-	Exec(ctx context.Context) error
+	Exec(ctx context.Context, session db.SessionInterface) error
 }
 
 // operationBatchInsertBuilder is a simple wrapper around db.BatchInsertBuilder
 type operationBatchInsertBuilder struct {
-	builder db.BatchInsertBuilder
+	builder db.FastBatchInsertBuilder
+	table   string
 }
 
 // NewOperationBatchInsertBuilder constructs a new TransactionBatchInsertBuilder instance
-func (q *Q) NewOperationBatchInsertBuilder(maxBatchSize int) OperationBatchInsertBuilder {
+func (q *Q) NewOperationBatchInsertBuilder() OperationBatchInsertBuilder {
 	return &operationBatchInsertBuilder{
-		builder: db.BatchInsertBuilder{
-			Table:        q.GetTable("history_operations"),
-			MaxBatchSize: maxBatchSize,
-		},
+		table:   "history_operations",
+		builder: db.FastBatchInsertBuilder{},
 	}
 }
 
 // Add adds a transaction's operations to the batch
 func (i *operationBatchInsertBuilder) Add(
-	ctx context.Context,
 	id int64,
 	transactionID int64,
 	applicationOrder uint32,
@@ -50,7 +47,7 @@ func (i *operationBatchInsertBuilder) Add(
 	sourceAccount string,
 	sourceAccountMuxed null.String,
 ) error {
-	return i.builder.Row(ctx, map[string]interface{}{
+	return i.builder.Row(map[string]interface{}{
 		"id":                   id,
 		"transaction_id":       transactionID,
 		"application_order":    applicationOrder,
@@ -62,6 +59,6 @@ func (i *operationBatchInsertBuilder) Add(
 
 }
 
-func (i *operationBatchInsertBuilder) Exec(ctx context.Context) error {
-	return i.builder.Exec(ctx)
+func (i *operationBatchInsertBuilder) Exec(ctx context.Context, session db.SessionInterface) error {
+	return i.builder.Exec(ctx, session, i.table)
 }
diff --git a/services/horizon/internal/db2/history/operation_batch_insert_builder_test.go b/services/horizon/internal/db2/history/operation_batch_insert_builder_test.go
index 4ad624745c..cf10c19d2b 100644
--- a/services/horizon/internal/db2/history/operation_batch_insert_builder_test.go
+++ b/services/horizon/internal/db2/history/operation_batch_insert_builder_test.go
@@ -20,7 +20,7 @@ func TestAddOperation(t *testing.T) {
 
 	txBatch := q.NewTransactionBatchInsertBuilder()
 
-	builder := q.NewOperationBatchInsertBuilder(1)
+	builder := q.NewOperationBatchInsertBuilder()
 
 	transactionHash := "2a805712c6d10f9e74bb0ccf54ae92a2b4b1e586451fe8133a2433816f6b567c"
 	transactionResult := "AAAAAAAAAGQAAAAAAAAAAQAAAAAAAAABAAAAAAAAAAA="
@@ -50,7 +50,7 @@ func TestAddOperation(t *testing.T) {
 
 	sourceAccount := "GAQAA5L65LSYH7CQ3VTJ7F3HHLGCL3DSLAR2Y47263D56MNNGHSQSTVY"
 	sourceAccountMuxed := "MAQAA5L65LSYH7CQ3VTJ7F3HHLGCL3DSLAR2Y47263D56MNNGHSQSAAAAAAAAAAE2LP26"
-	err = builder.Add(tt.Ctx,
+	err = builder.Add(
 		toid.New(sequence, 1, 1).ToInt64(),
 		toid.New(sequence, 1, 0).ToInt64(),
 		1,
@@ -61,7 +61,7 @@ func TestAddOperation(t *testing.T) {
 	)
 	tt.Assert.NoError(err)
 
-	err = builder.Exec(tt.Ctx)
+	err = builder.Exec(tt.Ctx, q)
 	tt.Assert.NoError(err)
 
 	tt.Assert.NoError(q.Commit())
diff --git a/services/horizon/internal/db2/history/operation_test.go b/services/horizon/internal/db2/history/operation_test.go
index 8c28809568..a010dda56f 100644
--- a/services/horizon/internal/db2/history/operation_test.go
+++ b/services/horizon/internal/db2/history/operation_test.go
@@ -95,9 +95,8 @@ func TestOperationByLiquidityPool(t *testing.T) {
 	tt.Assert.NoError(err)
 
 	// Insert a two phony operations
-	operationBuilder := q.NewOperationBatchInsertBuilder(2)
+	operationBuilder := q.NewOperationBatchInsertBuilder()
 	err = operationBuilder.Add(
-		tt.Ctx,
 		opID1,
 		txID,
 		1,
@@ -107,11 +106,8 @@ func TestOperationByLiquidityPool(t *testing.T) {
 		null.String{},
 	)
 	tt.Assert.NoError(err)
-	err = operationBuilder.Exec(tt.Ctx)
-	tt.Assert.NoError(err)
 
 	err = operationBuilder.Add(
-		tt.Ctx,
 		opID2,
 		txID,
 		1,
@@ -121,7 +117,7 @@ func TestOperationByLiquidityPool(t *testing.T) {
 		null.String{},
 	)
 	tt.Assert.NoError(err)
-	err = operationBuilder.Exec(tt.Ctx)
+	err = operationBuilder.Exec(tt.Ctx, q)
 	tt.Assert.NoError(err)
 
 	// Insert Liquidity Pool history
diff --git a/services/horizon/internal/ingest/processor_runner.go b/services/horizon/internal/ingest/processor_runner.go
index 4dc3d1eda9..b64e9db245 100644
--- a/services/horizon/internal/ingest/processor_runner.go
+++ b/services/horizon/internal/ingest/processor_runner.go
@@ -146,7 +146,7 @@ func (s *ProcessorRunner) buildTransactionProcessor(
 		statsLedgerTransactionProcessor,
 		processors.NewEffectProcessor(s.historyQ, sequence),
 		processors.NewLedgerProcessor(s.session, s.historyQ, ledger, CurrentVersion),
-		processors.NewOperationProcessor(s.historyQ, sequence),
+		processors.NewOperationProcessor(s.session, s.historyQ, sequence),
 		tradeProcessor,
 		processors.NewParticipantsProcessor(s.historyQ, sequence),
 		processors.NewTransactionProcessor(s.session, s.historyQ, sequence),
diff --git a/services/horizon/internal/ingest/processor_runner_test.go b/services/horizon/internal/ingest/processor_runner_test.go
index dbbe3a5191..c01ee53730 100644
--- a/services/horizon/internal/ingest/processor_runner_test.go
+++ b/services/horizon/internal/ingest/processor_runner_test.go
@@ -239,7 +239,7 @@ func TestProcessorRunnerBuildTransactionProcessor(t *testing.T) {
 	q := &mockDBQ{}
 	defer mock.AssertExpectationsForObjects(t, q)
 
-	q.MockQOperations.On("NewOperationBatchInsertBuilder", maxBatchSize).
+	q.MockQOperations.On("NewOperationBatchInsertBuilder").
 		Return(&history.MockOperationsBatchInsertBuilder{}).Twice() // Twice = with/without failed
 	q.MockQTransactions.On("NewTransactionBatchInsertBuilder").
 		Return(&history.MockTransactionsBatchInsertBuilder{}).Twice()
@@ -298,8 +298,8 @@ func TestProcessorRunnerWithFilterEnabled(t *testing.T) {
 
 	mockOperationsBatchInsertBuilder := &history.MockOperationsBatchInsertBuilder{}
 	defer mock.AssertExpectationsForObjects(t, mockOperationsBatchInsertBuilder)
-	mockOperationsBatchInsertBuilder.On("Exec", ctx).Return(nil).Once()
-	q.MockQOperations.On("NewOperationBatchInsertBuilder", maxBatchSize).
+	mockOperationsBatchInsertBuilder.On("Exec", ctx, mockSession).Return(nil).Once()
+	q.MockQOperations.On("NewOperationBatchInsertBuilder").
 		Return(mockOperationsBatchInsertBuilder).Twice()
 
 	mockTransactionsBatchInsertBuilder := &history.MockTransactionsBatchInsertBuilder{}
@@ -371,8 +371,8 @@ func TestProcessorRunnerRunAllProcessorsOnLedger(t *testing.T) {
 
 	mockOperationsBatchInsertBuilder := &history.MockOperationsBatchInsertBuilder{}
 	defer mock.AssertExpectationsForObjects(t, mockOperationsBatchInsertBuilder)
-	mockOperationsBatchInsertBuilder.On("Exec", ctx).Return(nil).Once()
-	q.MockQOperations.On("NewOperationBatchInsertBuilder", maxBatchSize).
+	mockOperationsBatchInsertBuilder.On("Exec", ctx, mockSession).Return(nil).Once()
+	q.MockQOperations.On("NewOperationBatchInsertBuilder").
 		Return(mockOperationsBatchInsertBuilder).Twice()
 
 	mockTransactionsBatchInsertBuilder := &history.MockTransactionsBatchInsertBuilder{}
diff --git a/services/horizon/internal/ingest/processors/operations_processor.go b/services/horizon/internal/ingest/processors/operations_processor.go
index a194d5472c..1d6972f91f 100644
--- a/services/horizon/internal/ingest/processors/operations_processor.go
+++ b/services/horizon/internal/ingest/processors/operations_processor.go
@@ -11,6 +11,7 @@ import (
 	"github.com/stellar/go/ingest"
 	"github.com/stellar/go/protocols/horizon/base"
 	"github.com/stellar/go/services/horizon/internal/db2/history"
+	"github.com/stellar/go/support/db"
 	"github.com/stellar/go/support/errors"
 	"github.com/stellar/go/toid"
 	"github.com/stellar/go/xdr"
@@ -18,17 +19,19 @@ import (
 
 // OperationProcessor operations processor
 type OperationProcessor struct {
+	session     db.SessionInterface
 	operationsQ history.QOperations
 
 	sequence uint32
 	batch    history.OperationBatchInsertBuilder
 }
 
-func NewOperationProcessor(operationsQ history.QOperations, sequence uint32) *OperationProcessor {
+func NewOperationProcessor(session db.SessionInterface, operationsQ history.QOperations, sequence uint32) *OperationProcessor {
 	return &OperationProcessor{
+		session:     session,
 		operationsQ: operationsQ,
 		sequence:    sequence,
-		batch:       operationsQ.NewOperationBatchInsertBuilder(maxBatchSize),
+		batch:       operationsQ.NewOperationBatchInsertBuilder(),
 	}
 }
 
@@ -57,7 +60,7 @@ func (p *OperationProcessor) ProcessTransaction(ctx context.Context, transaction
 		if source.Type == xdr.CryptoKeyTypeKeyTypeMuxedEd25519 {
 			sourceAccountMuxed = null.StringFrom(source.Address())
 		}
-		if err := p.batch.Add(ctx,
+		if err := p.batch.Add(
 			operation.ID(),
 			operation.TransactionID(),
 			operation.Order(),
@@ -74,7 +77,7 @@ func (p *OperationProcessor) ProcessTransaction(ctx context.Context, transaction
 }
 
 func (p *OperationProcessor) Commit(ctx context.Context) error {
-	return p.batch.Exec(ctx)
+	return p.batch.Exec(ctx, p.session)
 }
 
 // transactionOperationWrapper represents the data for a single operation within a transaction
diff --git a/services/horizon/internal/ingest/processors/operations_processor_test.go b/services/horizon/internal/ingest/processors/operations_processor_test.go
index 79b94b1f7f..af5e585ddd 100644
--- a/services/horizon/internal/ingest/processors/operations_processor_test.go
+++ b/services/horizon/internal/ingest/processors/operations_processor_test.go
@@ -13,6 +13,7 @@ import (
 
 	"github.com/stellar/go/ingest"
 	"github.com/stellar/go/services/horizon/internal/db2/history"
+	"github.com/stellar/go/support/db"
 	"github.com/stellar/go/support/errors"
 	"github.com/stellar/go/xdr"
 )
@@ -21,6 +22,7 @@ type OperationsProcessorTestSuiteLedger struct {
 	suite.Suite
 	ctx                    context.Context
 	processor              *OperationProcessor
+	mockSession            *db.MockSession
 	mockQ                  *history.MockQOperations
 	mockBatchInsertBuilder *history.MockOperationsBatchInsertBuilder
 }
@@ -34,10 +36,11 @@ func (s *OperationsProcessorTestSuiteLedger) SetupTest() {
 	s.mockQ = &history.MockQOperations{}
 	s.mockBatchInsertBuilder = &history.MockOperationsBatchInsertBuilder{}
 	s.mockQ.
-		On("NewOperationBatchInsertBuilder", maxBatchSize).
+		On("NewOperationBatchInsertBuilder").
 		Return(s.mockBatchInsertBuilder).Once()
 
 	s.processor = NewOperationProcessor(
+		s.mockSession,
 		s.mockQ,
 		56,
 	)
@@ -74,7 +77,6 @@ func (s *OperationsProcessorTestSuiteLedger) mockBatchInsertAdds(txs []ingest.Le
 			}
 			s.mockBatchInsertBuilder.On(
 				"Add",
-				s.ctx,
 				expected.ID(),
 				expected.TransactionID(),
 				expected.Order(),
@@ -122,7 +124,7 @@ func (s *OperationsProcessorTestSuiteLedger) TestAddOperationSucceeds() {
 
 	err = s.mockBatchInsertAdds(txs, uint32(56))
 	s.Assert().NoError(err)
-	s.mockBatchInsertBuilder.On("Exec", s.ctx).Return(nil).Once()
+	s.mockBatchInsertBuilder.On("Exec", s.ctx, s.mockSession).Return(nil).Once()
 	s.Assert().NoError(s.processor.Commit(s.ctx))
 
 	for _, tx := range txs {
@@ -136,7 +138,7 @@ func (s *OperationsProcessorTestSuiteLedger) TestAddOperationFails() {
 
 	s.mockBatchInsertBuilder.
 		On(
-			"Add", s.ctx,
+			"Add",
 			mock.Anything,
 			mock.Anything,
 			mock.Anything,
@@ -152,7 +154,7 @@ func (s *OperationsProcessorTestSuiteLedger) TestAddOperationFails() {
 }
 
 func (s *OperationsProcessorTestSuiteLedger) TestExecFails() {
-	s.mockBatchInsertBuilder.On("Exec", s.ctx).Return(errors.New("transient error")).Once()
+	s.mockBatchInsertBuilder.On("Exec", s.ctx, s.mockSession).Return(errors.New("transient error")).Once()
 	err := s.processor.Commit(s.ctx)
 	s.Assert().Error(err)
 	s.Assert().EqualError(err, "transient error")