perf(pull): reduce pull request creation latency

services/actions/init.go

@@ -66,6 +66,12 @@ func Init(ctx context.Context) error {
 	}
 	go graceful.GetManager().RunWithCancel(jobEmitterQueue)
 
+	actionsNotifyQueue = queue.CreateSimpleQueue(graceful.GetManager().ShutdownContext(), "actions_notify", actionsNotifyQueueHandler)
+	if actionsNotifyQueue == nil {
+		return errors.New("unable to create actions_notify queue")
+	}
+	go graceful.GetManager().RunWithCancel(actionsNotifyQueue)
+
 	notify_service.RegisterNotifier(NewNotifier())
 	return initGlobalRunnerToken(ctx)
 }

services/actions/notifier_helper.go

@@ -108,10 +108,10 @@ func (input *notifyInput) WithPullRequest(pr *issues_model.PullRequest) *notifyI
 }
 
 func (input *notifyInput) Notify(ctx context.Context) {
-	log.Trace("execute %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
+	if err := input.enqueue(ctx); err != nil {
-
+		log.Error("Unable to queue the %s actions method, falling back to synchronous execution: %v", getMethod(ctx), err)
-	if err := notify(ctx, input); err != nil {
+	} else {
-		log.Error("an error occurred while executing the %s actions method: %v", getMethod(ctx), err)
+		log.Trace("queue %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
 	}
 }
 

services/actions/notifier_queue.go

@@ -0,0 +1,214 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"context"
+	"fmt"
+
+	issues_model "gitea.dev/models/issues"
+	repo_model "gitea.dev/models/repo"
+	user_model "gitea.dev/models/user"
+	"gitea.dev/modules/git"
+	"gitea.dev/modules/graceful"
+	"gitea.dev/modules/json"
+	"gitea.dev/modules/log"
+	"gitea.dev/modules/queue"
+	api "gitea.dev/modules/structs"
+	webhook_module "gitea.dev/modules/webhook"
+)
+
+var actionsNotifyQueue *queue.WorkerPoolQueue[*actionsNotifyQueueItem]
+
+type actionsNotifyQueueItem struct {
+	Method        string
+	RepoID        int64
+	DoerID        int64
+	Event         webhook_module.HookEventType
+	Ref           string
+	PullRequestID int64
+	PayloadType   string
+	PayloadJSON   []byte
+}
+
+func actionsNotifyQueueHandler(items ...*actionsNotifyQueueItem) []*actionsNotifyQueueItem {
+	for _, item := range items {
+		ctx := withMethod(graceful.GetManager().ShutdownContext(), item.Method)
+		input, err := item.toNotifyInput(ctx)
+		if err != nil {
+			log.Error("Unable to restore actions notification %q for repo %d: %v", item.Method, item.RepoID, err)
+			continue
+		}
+		if err := notify(ctx, input); err != nil {
+			log.Error("an error occurred while executing the %s actions method: %v", item.Method, err)
+		}
+	}
+	return nil
+}
+
+func (input *notifyInput) enqueue(ctx context.Context) error {
+	item, err := input.toQueueItem(ctx)
+	if err != nil {
+		return err
+	}
+	return actionsNotifyQueue.Push(item)
+}
+
+func (input *notifyInput) toQueueItem(ctx context.Context) (*actionsNotifyQueueItem, error) {
+	payloadType, payloadJSON, err := marshalActionsPayload(input.Payload)
+	if err != nil {
+		return nil, err
+	}
+	item := &actionsNotifyQueueItem{
+		Method:      getMethod(ctx),
+		RepoID:      input.Repo.ID,
+		DoerID:      input.Doer.ID,
+		Event:       input.Event,
+		Ref:         input.Ref.String(),
+		PayloadType: payloadType,
+		PayloadJSON: payloadJSON,
+	}
+	if input.PullRequest != nil {
+		item.PullRequestID = input.PullRequest.ID
+	}
+	return item, nil
+}
+
+func (item *actionsNotifyQueueItem) toNotifyInput(ctx context.Context) (*notifyInput, error) {
+	repo, err := repo_model.GetRepositoryByID(ctx, item.RepoID)
+	if err != nil {
+		return nil, err
+	}
+	doer, err := loadActionsNotifyDoer(ctx, item.DoerID)
+	if err != nil {
+		return nil, err
+	}
+	payload, err := unmarshalActionsPayload(item.PayloadType, item.PayloadJSON)
+	if err != nil {
+		return nil, err
+	}
+	input := &notifyInput{
+		Repo:    repo,
+		Doer:    doer,
+		Event:   item.Event,
+		Ref:     git.RefName(item.Ref),
+		Payload: payload,
+	}
+	if item.PullRequestID > 0 {
+		pr, err := issues_model.GetPullRequestByID(ctx, item.PullRequestID)
+		if err != nil {
+			return nil, err
+		}
+		input.PullRequest = pr
+		if input.Ref == "" {
+			input.Ref = git.RefName(pr.GetGitHeadRefName())
+		}
+	}
+	return input, nil
+}
+
+func loadActionsNotifyDoer(ctx context.Context, doerID int64) (*user_model.User, error) {
+	if doerID == user_model.ActionsUserID {
+		return user_model.NewActionsUser(), nil
+	}
+	return user_model.GetUserByID(ctx, doerID)
+}
+
+const (
+	actionsPayloadTypeIssueComment = "issue_comment"
+	actionsPayloadTypeIssue        = "issue"
+	actionsPayloadTypePullRequest  = "pull_request"
+	actionsPayloadTypeRepository   = "repository"
+	actionsPayloadTypeFork         = "fork"
+	actionsPayloadTypePush         = "push"
+	actionsPayloadTypeCreate       = "create"
+	actionsPayloadTypeDelete       = "delete"
+	actionsPayloadTypeWiki         = "wiki"
+	actionsPayloadTypeWorkflowRun  = "workflow_run"
+	actionsPayloadTypeRelease      = "release"
+	actionsPayloadTypePackage      = "package"
+)
+
+func marshalActionsPayload(payload api.Payloader) (string, []byte, error) {
+	if payload == nil {
+		return "", nil, nil
+	}
+
+	var payloadType string
+	switch payload.(type) {
+	case *api.IssueCommentPayload:
+		payloadType = actionsPayloadTypeIssueComment
+	case *api.IssuePayload:
+		payloadType = actionsPayloadTypeIssue
+	case *api.PullRequestPayload:
+		payloadType = actionsPayloadTypePullRequest
+	case *api.RepositoryPayload:
+		payloadType = actionsPayloadTypeRepository
+	case *api.ForkPayload:
+		payloadType = actionsPayloadTypeFork
+	case *api.PushPayload:
+		payloadType = actionsPayloadTypePush
+	case *api.CreatePayload:
+		payloadType = actionsPayloadTypeCreate
+	case *api.DeletePayload:
+		payloadType = actionsPayloadTypeDelete
+	case *api.WikiPayload:
+		payloadType = actionsPayloadTypeWiki
+	case *api.WorkflowRunPayload:
+		payloadType = actionsPayloadTypeWorkflowRun
+	case *api.ReleasePayload:
+		payloadType = actionsPayloadTypeRelease
+	case *api.PackagePayload:
+		payloadType = actionsPayloadTypePackage
+	default:
+		return "", nil, fmt.Errorf("unsupported actions payload type %T", payload)
+	}
+
+	payloadJSON, err := json.Marshal(payload)
+	if err != nil {
+		return "", nil, err
+	}
+	return payloadType, payloadJSON, nil
+}
+
+func unmarshalActionsPayload(payloadType string, payloadJSON []byte) (api.Payloader, error) {
+	if payloadType == "" {
+		return nil, nil
+	}
+
+	var payload api.Payloader
+	switch payloadType {
+	case actionsPayloadTypeIssueComment:
+		payload = new(api.IssueCommentPayload)
+	case actionsPayloadTypeIssue:
+		payload = new(api.IssuePayload)
+	case actionsPayloadTypePullRequest:
+		payload = new(api.PullRequestPayload)
+	case actionsPayloadTypeRepository:
+		payload = new(api.RepositoryPayload)
+	case actionsPayloadTypeFork:
+		payload = new(api.ForkPayload)
+	case actionsPayloadTypePush:
+		payload = new(api.PushPayload)
+	case actionsPayloadTypeCreate:
+		payload = new(api.CreatePayload)
+	case actionsPayloadTypeDelete:
+		payload = new(api.DeletePayload)
+	case actionsPayloadTypeWiki:
+		payload = new(api.WikiPayload)
+	case actionsPayloadTypeWorkflowRun:
+		payload = new(api.WorkflowRunPayload)
+	case actionsPayloadTypeRelease:
+		payload = new(api.ReleasePayload)
+	case actionsPayloadTypePackage:
+		payload = new(api.PackagePayload)
+	default:
+		return nil, fmt.Errorf("unsupported actions payload type %q", payloadType)
+	}
+
+	if err := json.Unmarshal(payloadJSON, payload); err != nil {
+		return nil, err
+	}
+	return payload, nil
+}

services/actions/notifier_queue_test.go

@@ -0,0 +1,47 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"testing"
+
+	api "gitea.dev/modules/structs"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestActionsPayloadRoundTrip(t *testing.T) {
+	payload := &api.PullRequestPayload{
+		Action: api.HookIssueOpened,
+		Index:  42,
+		PullRequest: &api.PullRequest{
+			HTMLURL: "https://example.com/pr/42",
+		},
+	}
+
+	payloadType, payloadJSON, err := marshalActionsPayload(payload)
+	require.NoError(t, err)
+	assert.Equal(t, actionsPayloadTypePullRequest, payloadType)
+
+	decoded, err := unmarshalActionsPayload(payloadType, payloadJSON)
+	require.NoError(t, err)
+
+	decodedPayload, ok := decoded.(*api.PullRequestPayload)
+	require.True(t, ok)
+	assert.Equal(t, payload.Action, decodedPayload.Action)
+	assert.Equal(t, payload.Index, decodedPayload.Index)
+	assert.Equal(t, payload.PullRequest.HTMLURL, decodedPayload.PullRequest.HTMLURL)
+}
+
+func TestActionsPayloadRoundTripNil(t *testing.T) {
+	payloadType, payloadJSON, err := marshalActionsPayload(nil)
+	require.NoError(t, err)
+	assert.Empty(t, payloadType)
+	assert.Nil(t, payloadJSON)
+
+	decoded, err := unmarshalActionsPayload(payloadType, payloadJSON)
+	require.NoError(t, err)
+	assert.Nil(t, decoded)
+}

services/pull/review.go

@@ -380,7 +380,13 @@ func DismissApprovalReviews(ctx context.Context, doer *user_model.User, pull *is
 		return err
 	}
 
-	return db.WithTx(ctx, func(ctx context.Context) error {
+	type dismissNotification struct {
+		review  *issues_model.Review
+		comment *issues_model.Comment
+	}
+	notifications := make([]dismissNotification, 0, len(reviews))
+
+	if err := db.WithTx(ctx, func(ctx context.Context) error {
 		for _, review := range reviews {
 			if err := issues_model.DismissReview(ctx, review, true); err != nil {
 				return err
@@ -401,11 +407,17 @@ func DismissApprovalReviews(ctx context.Context, doer *user_model.User, pull *is
 			comment.Review = review
 			comment.Poster = doer
 			comment.Issue = review.Issue
-
+			notifications = append(notifications, dismissNotification{review: review, comment: comment})
-			notify_service.PullReviewDismiss(ctx, doer, review, comment)
 		}
 		return nil
-	})
+	}); err != nil {
+		return err
+	}
+
+	for _, notification := range notifications {
+		notify_service.PullReviewDismiss(ctx, doer, notification.review, notification.comment)
+	}
+	return nil
 }
 
 // DismissReview dismissing stale review by repo admin