Reduce number of inserts for multi-server

.changeset/twelve-wolves-clean.md

@@ -0,0 +1,5 @@
+---
+"chainlink": patch
+---
+
+Performance improvements for mercury single insert for multiple mercury servers #internal

.tool-versions

@@ -1,6 +1,6 @@
 golang 1.21.7
 mockery 2.42.2
-nodejs 20.12.6
+nodejs 20.13.1
 pnpm 8.15.8
 postgres 14.11
 helm 3.10.3

core/services/relay/evm/mercury/orm.go

@@ -5,6 +5,8 @@ import (
 	"crypto/sha256"
 	"database/sql"
 	"errors"
+	"fmt"
+	"strings"
 	"sync"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -19,7 +21,7 @@ import (
 )
 
 type ORM interface {
-	InsertTransmitRequest(ctx context.Context, serverURL string, req *pb.TransmitRequest, jobID int32, reportCtx ocrtypes.ReportContext) error
+	InsertTransmitRequest(ctx context.Context, serverURLs []string, req *pb.TransmitRequest, jobID int32, reportCtx ocrtypes.ReportContext) error
 	DeleteTransmitRequests(ctx context.Context, serverURL string, reqs []*pb.TransmitRequest) error
 	GetTransmitRequests(ctx context.Context, serverURL string, jobID int32) ([]*Transmission, error)
 	PruneTransmitRequests(ctx context.Context, serverURL string, jobID int32, maxSize int) error
@@ -42,23 +44,45 @@ func NewORM(ds sqlutil.DataSource) ORM {
 }
 
 // InsertTransmitRequest inserts one transmit request if the payload does not exist already.
-func (o *orm) InsertTransmitRequest(ctx context.Context, serverURL string, req *pb.TransmitRequest, jobID int32, reportCtx ocrtypes.ReportContext) error {
+func (o *orm) InsertTransmitRequest(ctx context.Context, serverURLs []string, req *pb.TransmitRequest, jobID int32, reportCtx ocrtypes.ReportContext) error {
 	feedID, err := FeedIDFromReport(req.Payload)
 	if err != nil {
 		return err
 	}
+	if len(serverURLs) == 0 {
+		return errors.New("no server URLs provided")
+	}
 
 	var wg sync.WaitGroup
 	wg.Add(2)
 	var err1, err2 error
 
 	go func() {
 		defer wg.Done()
-		_, err1 = o.ds.ExecContext(ctx, `
-		INSERT INTO mercury_transmit_requests (server_url, payload, payload_hash, config_digest, epoch, round, extra_hash, job_id, feed_id)
-		VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+
+		values := make([]string, len(serverURLs))
+		args := []interface{}{
+			req.Payload,
+			hashPayload(req.Payload),
+			reportCtx.ConfigDigest[:],
+			reportCtx.Epoch,
+			reportCtx.Round,
+			reportCtx.ExtraHash[:],
+			jobID,
+			feedID[:],
+		}
+		for i, serverURL := range serverURLs {
+			// server url is the only thing that changes, might as well re-use
+			// the same parameters for each insert
+			values[i] = fmt.Sprintf("($1, $2, $3, $4, $5, $6, $7, $8, $%d)", i+9)
+			args = append(args, serverURL)
+		}
+
+		_, err1 = o.ds.ExecContext(ctx, fmt.Sprintf(`
+		INSERT INTO mercury_transmit_requests (payload, payload_hash, config_digest, epoch, round, extra_hash, job_id, feed_id, server_url)
+		VALUES %s
 		ON CONFLICT (server_url, payload_hash) DO NOTHING
-	`, serverURL, req.Payload, hashPayload(req.Payload), reportCtx.ConfigDigest[:], reportCtx.Epoch, reportCtx.Round, reportCtx.ExtraHash[:], jobID, feedID[:])
+	`, strings.Join(values, ",")), args...)
 	}()
 
 	go func() {

core/services/relay/evm/mercury/orm_test.go

@@ -48,15 +48,15 @@ func TestORM(t *testing.T) {
 
 	// Test insert and get requests.
 	// s1
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[0]}, jobID, reportContexts[0])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[0]}, jobID, reportContexts[0])
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[1]}, jobID, reportContexts[1])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[1]}, jobID, reportContexts[1])
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[2]}, jobID, reportContexts[2])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[2]}, jobID, reportContexts[2])
 	require.NoError(t, err)
 
 	// s2
-	err = orm.InsertTransmitRequest(ctx, sURL2, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[0])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL2}, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[0])
 	require.NoError(t, err)
 
 	transmissions, err := orm.GetTransmitRequests(ctx, sURL, jobID)
@@ -119,7 +119,7 @@ func TestORM(t *testing.T) {
 	require.Empty(t, transmissions)
 
 	// More inserts.
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[3])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[3])
 	require.NoError(t, err)
 
 	transmissions, err = orm.GetTransmitRequests(ctx, sURL, jobID)
@@ -129,9 +129,9 @@ func TestORM(t *testing.T) {
 	})
 
 	// Duplicate requests are ignored.
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[3])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[3])
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[3])
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[3]}, jobID, reportContexts[3])
 	require.NoError(t, err)
 
 	transmissions, err = orm.GetTransmitRequests(ctx, sURL, jobID)
@@ -150,6 +150,51 @@ func TestORM(t *testing.T) {
 	require.Len(t, transmissions, 1)
 }
 
+func TestORM_InsertTransmitRequest_MultipleServerURLs(t *testing.T) {
+	ctx := testutils.Context(t)
+	db := pgtest.NewSqlxDB(t)
+
+	jobID := rand.Int32() // foreign key constraints disabled so value doesn't matter
+	pgtest.MustExec(t, db, `SET CONSTRAINTS mercury_transmit_requests_job_id_fkey DEFERRED`)
+	pgtest.MustExec(t, db, `SET CONSTRAINTS feed_latest_reports_job_id_fkey DEFERRED`)
+	orm := NewORM(db)
+	feedID := sampleFeedID
+
+	reports := sampleReports
+	reportContexts := make([]ocrtypes.ReportContext, 4)
+	for i := range reportContexts {
+		reportContexts[i] = ocrtypes.ReportContext{
+			ReportTimestamp: ocrtypes.ReportTimestamp{
+				ConfigDigest: ocrtypes.ConfigDigest{'1'},
+				Epoch:        10,
+				Round:        uint8(i),
+			},
+			ExtraHash: [32]byte{'2'},
+		}
+	}
+	err := orm.InsertTransmitRequest(ctx, []string{sURL, sURL2, sURL3}, &pb.TransmitRequest{Payload: reports[0]}, jobID, reportContexts[0])
+	require.NoError(t, err)
+
+	transmissions, err := orm.GetTransmitRequests(ctx, sURL, jobID)
+	require.NoError(t, err)
+	require.Len(t, transmissions, 1)
+	assert.Equal(t, transmissions[0], &Transmission{Req: &pb.TransmitRequest{Payload: reports[0]}, ReportCtx: reportContexts[0]})
+
+	transmissions, err = orm.GetTransmitRequests(ctx, sURL2, jobID)
+	require.NoError(t, err)
+	require.Len(t, transmissions, 1)
+	assert.Equal(t, transmissions[0], &Transmission{Req: &pb.TransmitRequest{Payload: reports[0]}, ReportCtx: reportContexts[0]})
+
+	transmissions, err = orm.GetTransmitRequests(ctx, sURL3, jobID)
+	require.NoError(t, err)
+	require.Len(t, transmissions, 1)
+	assert.Equal(t, transmissions[0], &Transmission{Req: &pb.TransmitRequest{Payload: reports[0]}, ReportCtx: reportContexts[0]})
+
+	l, err := orm.LatestReport(testutils.Context(t), feedID)
+	require.NoError(t, err)
+	assert.Equal(t, reports[0], l)
+}
+
 func TestORM_PruneTransmitRequests(t *testing.T) {
 	ctx := testutils.Context(t)
 	db := pgtest.NewSqlxDB(t)
@@ -173,18 +218,18 @@ func TestORM_PruneTransmitRequests(t *testing.T) {
 	}
 
 	// s1
-	err := orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(1, 1))
+	err := orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(1, 1))
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(1, 2))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(1, 2))
 	require.NoError(t, err)
 	// s2 - should not be touched
-	err = orm.InsertTransmitRequest(ctx, sURL2, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(1, 0))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL2}, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(1, 0))
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL2, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(1, 1))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL2}, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(1, 1))
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL2, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(1, 2))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL2}, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(1, 2))
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL2, &pb.TransmitRequest{Payload: reports[2]}, jobID, makeReportContext(1, 3))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL2}, &pb.TransmitRequest{Payload: reports[2]}, jobID, makeReportContext(1, 3))
 	require.NoError(t, err)
 
 	// Max size greater than number of records, expect no-op
@@ -220,9 +265,9 @@ func TestORM_PruneTransmitRequests(t *testing.T) {
 		{Req: &pb.TransmitRequest{Payload: reports[0]}, ReportCtx: makeReportContext(1, 1)},
 	}, transmissions)
 
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[2]}, jobID, makeReportContext(2, 1))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[2]}, jobID, makeReportContext(2, 1))
 	require.NoError(t, err)
-	err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[3]}, jobID, makeReportContext(2, 2))
+	err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[3]}, jobID, makeReportContext(2, 2))
 	require.NoError(t, err)
 
 	// Max size is table size - 1, expect the oldest row to be pruned.
@@ -266,13 +311,13 @@ func TestORM_InsertTransmitRequest_LatestReport(t *testing.T) {
 		}
 	}
 
-	err := orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(
+	err := orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(
 		0, 0,
 	))
 	require.NoError(t, err)
 
 	// this should be ignored, because report context is the same
-	err = orm.InsertTransmitRequest(ctx, sURL2, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(
+	err = orm.InsertTransmitRequest(ctx, []string{sURL2}, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(
 		0, 0,
 	))
 	require.NoError(t, err)
@@ -282,31 +327,31 @@ func TestORM_InsertTransmitRequest_LatestReport(t *testing.T) {
 	assert.Equal(t, reports[0], l)
 
 	t.Run("replaces if epoch and round are larger", func(t *testing.T) {
-		err = orm.InsertTransmitRequest(ctx, "foo", &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(1, 1))
+		err = orm.InsertTransmitRequest(ctx, []string{"foo"}, &pb.TransmitRequest{Payload: reports[1]}, jobID, makeReportContext(1, 1))
 		require.NoError(t, err)
 
 		l, err = orm.LatestReport(testutils.Context(t), feedID)
 		require.NoError(t, err)
 		assert.Equal(t, reports[1], l)
 	})
 	t.Run("replaces if epoch is the same but round is greater", func(t *testing.T) {
-		err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[2]}, jobID, makeReportContext(1, 2))
+		err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[2]}, jobID, makeReportContext(1, 2))
 		require.NoError(t, err)
 
 		l, err = orm.LatestReport(testutils.Context(t), feedID)
 		require.NoError(t, err)
 		assert.Equal(t, reports[2], l)
 	})
 	t.Run("replaces if epoch is larger but round is smaller", func(t *testing.T) {
-		err = orm.InsertTransmitRequest(ctx, "bar", &pb.TransmitRequest{Payload: reports[3]}, jobID, makeReportContext(2, 1))
+		err = orm.InsertTransmitRequest(ctx, []string{"bar"}, &pb.TransmitRequest{Payload: reports[3]}, jobID, makeReportContext(2, 1))
 		require.NoError(t, err)
 
 		l, err = orm.LatestReport(testutils.Context(t), feedID)
 		require.NoError(t, err)
 		assert.Equal(t, reports[3], l)
 	})
 	t.Run("does not overwrite if epoch/round is the same", func(t *testing.T) {
-		err = orm.InsertTransmitRequest(ctx, sURL, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(2, 1))
+		err = orm.InsertTransmitRequest(ctx, []string{sURL}, &pb.TransmitRequest{Payload: reports[0]}, jobID, makeReportContext(2, 1))
 		require.NoError(t, err)
 
 		l, err = orm.LatestReport(testutils.Context(t), feedID)

core/services/relay/evm/mercury/persistence_manager.go

@@ -69,7 +69,7 @@ func (pm *PersistenceManager) Close() error {
 }
 
 func (pm *PersistenceManager) Insert(ctx context.Context, req *pb.TransmitRequest, reportCtx ocrtypes.ReportContext) error {
-	return pm.orm.InsertTransmitRequest(ctx, pm.serverURL, req, pm.jobID, reportCtx)
+	return pm.orm.InsertTransmitRequest(ctx, []string{pm.serverURL}, req, pm.jobID, reportCtx)
 }
 
 func (pm *PersistenceManager) Delete(ctx context.Context, req *pb.TransmitRequest) error {

core/services/relay/evm/mercury/transmitter.go

@@ -18,6 +18,7 @@ import (
 	pkgerrors "github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	"golang.org/x/exp/maps"
 	"golang.org/x/sync/errgroup"
 
 	"github.com/smartcontractkit/libocr/offchainreporting2plus/chains/evmutil"
@@ -110,6 +111,7 @@ type mercuryTransmitter struct {
 	lggr logger.Logger
 	cfg  TransmitterConfig
 
+	orm     ORM
 	servers map[string]*server
 
 	codec             TransmitterReportDecoder
@@ -302,6 +304,7 @@ func NewTransmitter(lggr logger.Logger, cfg TransmitterConfig, clients map[strin
 		services.StateMachine{},
 		lggr.Named("MercuryTransmitter").With("feedID", feedIDHex),
 		cfg,
+		orm,
 		servers,
 		codec,
 		triggerCapability,
@@ -404,14 +407,14 @@ func (mt *mercuryTransmitter) Transmit(ctx context.Context, reportCtx ocrtypes.R
 
 	mt.lggr.Tracew("Transmit enqueue", "req.Payload", req.Payload, "report", report, "reportCtx", reportCtx, "signatures", signatures)
 
+	if err := mt.orm.InsertTransmitRequest(ctx, maps.Keys(mt.servers), req, mt.jobID, reportCtx); err != nil {
+		return err
+	}
+
 	g := new(errgroup.Group)
 	for _, s := range mt.servers {
 		s := s // https://golang.org/doc/faq#closures_and_goroutines
 		g.Go(func() error {
-			if err := s.pm.Insert(ctx, req, reportCtx); err != nil {
-				s.transmitQueueInsertErrorCount.Inc()
-				return err
-			}
 			if ok := s.q.Push(req, reportCtx); !ok {
 				s.transmitQueuePushErrorCount.Inc()
 				return errors.New("transmit queue is closed")