Storing branch commits count in db rather than caching them in memory or redis

models/git/branch.go

@@ -109,6 +109,8 @@ type Branch struct {
 	Repo          *repo_model.Repository `xorm:"-"`
 	Name          string                 `xorm:"UNIQUE(s) NOT NULL"` // git's ref-name is case-sensitive internally, however, in some databases (mssql, mysql, by default), it's case-insensitive at the moment
 	CommitID      string
+	CommitCountID string // the commit id of the commit count
+	CommitCount   int64  // the number of commits in this branch
 	CommitMessage string `xorm:"TEXT"` // it only stores the message summary (the first line)
 	PusherID      int64
 	Pusher        *user_model.User `xorm:"-"`
@@ -251,6 +253,16 @@ func UpdateBranch(ctx context.Context, repoID, pusherID int64, branchName string
 		})
 }
 
+func UpdateBranchCommitCount(ctx context.Context, repoID int64, branchName, commitID string, commitCount int64) error {
+	_, err := db.GetEngine(ctx).Where("repo_id=? AND name=?", repoID, branchName).
+		Cols("commit_count", "commit_count_id").
+		Update(&Branch{
+			CommitCount:   commitCount,
+			CommitCountID: commitID,
+		})
+	return err
+}
+
 // AddDeletedBranch adds a deleted branch to the database
 func AddDeletedBranch(ctx context.Context, repoID int64, branchName string, deletedByID int64) error {
 	branch, err := GetBranch(ctx, repoID, branchName)

models/git/branch_list.go

@@ -146,3 +146,38 @@ func FindBranchesByRepoAndBranchName(ctx context.Context, repoBranches map[int64
 	}
 	return branchMap, nil
 }
+
+func FindCommitsCountOutdatedBranches(ctx context.Context, startID, limit int64) (BranchList, error) {
+	var branches BranchList
+	if err := db.GetEngine(ctx).
+		Join("INNER", "repository", "branch.repo_id = repository.id").
+		And("repository.is_empty = ?", false).
+		Where("id > ?", startID).
+		And(
+			builder.Expr("commit_count_id IS NULL").
+				Or(builder.Expr("commit_id <> commit_count_id")),
+		).
+		Asc("id").
+		Limit(int(limit)).Find(&branches); err != nil {
+		return nil, err
+	}
+	return branches, nil
+}
+
+func FindRepoCommitsCountOutdatedBranches(ctx context.Context, repoID, startID, limit int64) (BranchList, error) {
+	var branches BranchList
+	if err := db.GetEngine(ctx).
+		Join("INNER", "repository", "branch.repo_id = repository.id").
+		Where("branch.repo_id = ?", repoID).
+		And("repository.is_empty = ?", false).
+		And("id > ?", startID).
+		And(
+			builder.Expr("commit_count_id IS NULL").
+				Or(builder.Expr("commit_id <> commit_count_id")),
+		).
+		Asc("id").
+		Limit(int(limit)).Find(&branches); err != nil {
+		return nil, err
+	}
+	return branches, nil
+}

models/migrations/migrations.go

@@ -378,6 +378,7 @@ func prepareMigrationTasks() []*migration {
 		newMigration(315, "Add Ephemeral to ActionRunner", v1_24.AddEphemeralToActionRunner),
 		newMigration(316, "Add description for secrets and variables", v1_24.AddDescriptionForSecretsAndVariables),
 		newMigration(317, "Add new index for action for heatmap", v1_24.AddNewIndexForUserDashboard),
+		newMigration(318, "Add branch commits count for branch table", v1_24.AddBranchCommitsCount),
 	}
 	return preparedMigrations
 }

models/migrations/v1_24/v318.go

@@ -0,0 +1,16 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_24 //nolint
+
+import (
+	"xorm.io/xorm"
+)
+
+func AddBranchCommitsCount(x *xorm.Engine) error {
+	type Branch struct {
+		CommitCountID string // the commit id of the commit count
+		CommitCount   int64  // the number of commits in this branch
+	}
+	return x.Sync(new(Branch))
+}

modules/git/ref.go

@@ -84,6 +84,18 @@ func RefNameFromCommit(shortName string) RefName {
 	return RefName(shortName)
 }
 
+func RefNameFromObjectTypeAndShortName(objectType ObjectType, shortName string) RefName {
+	switch objectType {
+	case ObjectBranch:
+		return RefNameFromBranch(shortName)
+	case ObjectTag:
+		return RefNameFromTag(shortName)
+	case ObjectCommit:
+		return RefNameFromCommit(shortName)
+	}
+	return RefName(shortName)
+}
+
 func (ref RefName) String() string {
 	return string(ref)
 }

modules/git/repo_commit.go

@@ -502,18 +502,8 @@ func (repo *Repository) IsCommitInBranch(commitID, branch string) (r bool, err e
 	return len(stdout) > 0, err
 }
 
-func (repo *Repository) AddLastCommitCache(cacheKey, fullName, sha string) error {
+func (repo *Repository) AddLastCommitCache(commitsCount int64, fullName, sha string) error {
 	if repo.LastCommitCache == nil {
-		commitsCount, err := cache.GetInt64(cacheKey, func() (int64, error) {
-			commit, err := repo.GetCommit(sha)
-			if err != nil {
-				return 0, err
-			}
-			return commit.CommitsCount()
-		})
-		if err != nil {
-			return err
-		}
 		repo.LastCommitCache = NewLastCommitCache(commitsCount, fullName, repo, cache.GetCache())
 	}
 	return nil

modules/gitrepo/commit.go

@@ -0,0 +1,17 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package gitrepo
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/modules/git"
+)
+
+func CommitsCount(ctx context.Context, repo Repository, ref string) (int64, error) {
+	return git.CommitsCount(ctx, git.CommitsCountOptions{
+		RepoPath: repoPath(repo),
+		Revision: []string{ref},
+	})
+}

options/locale/locale_en-US.ini

@@ -3016,6 +3016,7 @@ dashboard.sync_branch.started = Branches Sync started
 dashboard.sync_tag.started = Tags Sync started
 dashboard.rebuild_issue_indexer = Rebuild issue indexer
 dashboard.sync_repo_licenses = Sync repo licenses
+dashboard.sync_branch_commits_count = Sync Branch commits counts
 
 users.user_manage_panel = User Account Management
 users.new_account = Create User Account

routers/api/v1/utils/git.go

@@ -38,7 +38,8 @@ func ResolveRefOrSha(ctx *context.APIContext, ref string) string {
 	sha = MustConvertToSHA1(ctx, ctx.Repo, sha)
 
 	if ctx.Repo.GitRepo != nil {
-		err := ctx.Repo.GitRepo.AddLastCommitCache(ctx.Repo.Repository.GetCommitsCountCacheKey(ref, ref != sha), ctx.Repo.Repository.FullName(), sha)
+		commitsCount, _ := context.GetRefCommitsCount(ctx, ctx.Repo.Repository.ID, ctx.Repo.GitRepo, git.RefName(ref))
+		err := ctx.Repo.GitRepo.AddLastCommitCache(commitsCount, ctx.Repo.Repository.FullName(), sha)
 		if err != nil {
 			log.Error("Unable to get commits count for %s in %s. Error: %v", sha, ctx.Repo.Repository.FullName(), err)
 		}

routers/web/repo/repo.go

@@ -71,7 +71,7 @@ func CommitInfoCache(ctx *context.Context) {
 		ctx.ServerError("GetBranchCommit", err)
 		return
 	}
-	ctx.Repo.CommitsCount, err = ctx.Repo.GetCommitsCount()
+	ctx.Repo.CommitsCount, err = ctx.Repo.GetCommitsCount(ctx)
 	if err != nil {
 		ctx.ServerError("GetCommitsCount", err)
 		return

services/context/repo.go

@@ -163,16 +163,45 @@ func (r *Repository) CanCreateIssueDependencies(ctx context.Context, user *user_
 	return r.Repository.IsDependenciesEnabled(ctx) && r.Permission.CanWriteIssuesOrPulls(isPull)
 }
 
+// getCommitsCountCacheKey returns cache key used for commits count caching.
+func getCommitsCountCacheKey(contextName string, repoID int64) string {
+	return fmt.Sprintf("commits-count-%d-commit-%s", repoID, contextName)
+}
+
+func GetRefCommitsCount(ctx context.Context, repoID int64, gitRepo *git.Repository, refFullName git.RefName) (int64, error) {
+	// Get the commit count of the branch or the tag
+	switch {
+	case refFullName.IsBranch():
+		branch, err := git_model.GetBranch(ctx, repoID, refFullName.BranchName())
+		if err != nil {
+			return 0, err
+		}
+		return branch.CommitCount, nil
+	case refFullName.IsTag():
+		tag, err := repo_model.GetRelease(ctx, repoID, refFullName.TagName())
+		if err != nil {
+			return 0, err
+		}
+		return tag.NumCommits, nil
+	case refFullName.RefType() == git.RefTypeCommit:
+		return cache.GetInt64(getCommitsCountCacheKey(string(refFullName), repoID), func() (int64, error) {
+			commit, err := gitRepo.GetCommit(string(refFullName))
+			if err != nil {
+				return 0, err
+			}
+			return commit.CommitsCount()
+		})
+	default:
+		return 0, nil
+	}
+}
+
 // GetCommitsCount returns cached commit count for current view
-func (r *Repository) GetCommitsCount() (int64, error) {
+func (r *Repository) GetCommitsCount(ctx context.Context) (int64, error) {
 	if r.Commit == nil {
 		return 0, nil
 	}
-	contextName := r.RefFullName.ShortName()
-	isRef := r.RefFullName.IsBranch() || r.RefFullName.IsTag()
-	return cache.GetInt64(r.Repository.GetCommitsCountCacheKey(contextName, isRef), func() (int64, error) {
-		return r.Commit.CommitsCount()
-	})
+	return GetRefCommitsCount(ctx, r.Repository.ID, r.GitRepo, r.RefFullName)
 }
 
 // GetCommitGraphsCount returns cached commit count for current view
@@ -782,7 +811,7 @@ func RepoRefByDefaultBranch() func(*Context) {
 		ctx.Repo.RefFullName = git.RefNameFromBranch(ctx.Repo.Repository.DefaultBranch)
 		ctx.Repo.BranchName = ctx.Repo.Repository.DefaultBranch
 		ctx.Repo.Commit, _ = ctx.Repo.GitRepo.GetBranchCommit(ctx.Repo.BranchName)
-		ctx.Repo.CommitsCount, _ = ctx.Repo.GetCommitsCount()
+		ctx.Repo.CommitsCount, _ = ctx.Repo.GetCommitsCount(ctx)
 		ctx.Data["RefFullName"] = ctx.Repo.RefFullName
 		ctx.Data["BranchName"] = ctx.Repo.BranchName
 		ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
@@ -931,7 +960,7 @@ func RepoRefByType(detectRefType git.RefType) func(*Context) {
 
 		ctx.Data["CanCreateBranch"] = ctx.Repo.CanCreateBranch() // only used by the branch selector dropdown: AllowCreateNewRef
 
-		ctx.Repo.CommitsCount, err = ctx.Repo.GetCommitsCount()
+		ctx.Repo.CommitsCount, err = ctx.Repo.GetCommitsCount(ctx)
 		if err != nil {
 			ctx.ServerError("GetCommitsCount", err)
 			return

services/cron/tasks_basic.go

@@ -166,6 +166,16 @@ func registerSyncRepoLicenses() {
 	})
 }
 
+func registerSyncBranchCommitsCount() {
+	RegisterTaskFatal("sync_branch_commits_count", &BaseConfig{
+		Enabled:    true,
+		RunAtStart: true,
+		Schedule:   "@midnight",
+	}, func(ctx context.Context, _ *user_model.User, _ Config) error {
+		return repo_service.SyncBranchCommitsCount(ctx)
+	})
+}
+
 func initBasicTasks() {
 	if setting.Mirror.Enabled {
 		registerUpdateMirrorTask()
@@ -183,4 +193,5 @@ func initBasicTasks() {
 		registerCleanupPackages()
 	}
 	registerSyncRepoLicenses()
+	registerSyncBranchCommitsCount()
 }

services/mirror/mirror_pull.go

@@ -11,7 +11,6 @@ import (
 
 	repo_model "code.gitea.io/gitea/models/repo"
 	system_model "code.gitea.io/gitea/models/system"
-	"code.gitea.io/gitea/modules/cache"
 	"code.gitea.io/gitea/modules/git"
 	giturl "code.gitea.io/gitea/modules/git/url"
 	"code.gitea.io/gitea/modules/gitrepo"
@@ -411,15 +410,8 @@ func runSync(ctx context.Context, m *repo_model.Mirror) ([]*mirrorSyncResult, bo
 		log.Trace("SyncMirrors [repo: %-v Wiki]: git remote update complete", m.Repo)
 	}
 
-	log.Trace("SyncMirrors [repo: %-v]: invalidating mirror branch caches...", m.Repo)
-	branches, _, err := gitrepo.GetBranchesByPath(ctx, m.Repo, 0, 0)
-	if err != nil {
-		log.Error("SyncMirrors [repo: %-v]: failed to GetBranches: %v", m.Repo, err)
-		return nil, false
-	}
-
-	for _, branch := range branches {
-		cache.Remove(m.Repo.GetCommitsCountCacheKey(branch.Name, true))
+	if err := repo_service.SyncRepoBranchesCommitsCount(ctx, m.Repo); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to sync branches commits count: %v", m.Repo, err)
 	}
 
 	m.UpdatedUnix = timeutil.TimeStampNow()

services/pull/merge.go

@@ -21,7 +21,6 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/cache"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/globallock"
 	"code.gitea.io/gitea/modules/httplib"
@@ -251,9 +250,6 @@ func Merge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.U
 		notify_service.MergePullRequest(ctx, doer, pr)
 	}
 
-	// Reset cached commit count
-	cache.Remove(pr.Issue.Repo.GetCommitsCountCacheKey(pr.BaseBranch, true))
-
 	return handleCloseCrossReferences(ctx, pr, doer)
 }
 

services/repository/branch.go

@@ -736,3 +736,79 @@ func GetBranchDivergingInfo(ctx reqctx.RequestContext, baseRepo *repo_model.Repo
 	info.BaseHasNewCommits = info.HeadCommitsBehind > 0
 	return info, nil
 }
+
+func SyncRepoBranchesCommitsCount(ctx context.Context, repo *repo_model.Repository) error {
+	startID := int64(0)
+	for {
+		select {
+		case <-ctx.Done():
+			return nil
+		default:
+		}
+
+		// search all branches commits count are not synced
+		branches, err := git_model.FindRepoCommitsCountOutdatedBranches(ctx, repo.ID, startID, 100)
+		if err != nil {
+			return err
+		}
+		if len(branches) == 0 {
+			return nil
+		}
+
+		for _, branch := range branches {
+			branch.Repo = repo
+			if branch.ID > startID {
+				startID = branch.ID
+			}
+			if err := syncBranchCommitsCount(ctx, branch); err != nil {
+				log.Error("syncBranchCommitsCount: %v", err)
+			}
+		}
+	}
+}
+
+func SyncBranchCommitsCount(ctx context.Context) error {
+	startID := int64(0)
+	for {
+		select {
+		case <-ctx.Done():
+			return nil
+		default:
+		}
+
+		// search all branches commits count are not synced
+		branches, err := git_model.FindCommitsCountOutdatedBranches(ctx, startID, 100)
+		if err != nil {
+			return err
+		}
+		if len(branches) == 0 {
+			return nil
+		}
+
+		if err := branches.LoadRepo(ctx); err != nil {
+			return err
+		}
+
+		for _, branch := range branches {
+			if branch.ID > startID {
+				startID = branch.ID
+			}
+			if err := syncBranchCommitsCount(ctx, branch); err != nil {
+				log.Error("syncBranchCommitsCount: %v", err)
+			}
+		}
+	}
+}
+
+func syncBranchCommitsCount(ctx context.Context, branch *git_model.Branch) error {
+	if branch.CommitID == "" {
+		return nil
+	}
+
+	commitsCount, err := gitrepo.CommitsCount(ctx, branch.Repo, branch.CommitID)
+	if err != nil {
+		return err
+	}
+
+	return git_model.UpdateBranchCommitCount(ctx, branch.RepoID, branch.Name, branch.CommitID, commitsCount)
+}