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Change use of Walk to WalkDir to improve disk performance (#22462)

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As suggest by Go developers, use `filepath.WalkDir` instead of
`filepath.Walk` because [*Walk is less efficient than WalkDir,
introduced in Go 1.16, which avoids calling `os.Lstat` on every file or
directory visited](https://pkg.go.dev/path/filepath#Walk).

This proposition address that, in a similar way as
https://github.com/go-gitea/gitea/pull/22392 did.


Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
Felipe Leopoldo Sologuren Gutiérrez
2023-01-16 13:21:44 -03:00
committed by GitHub
parent da274380a7
commit 04c97aa364
6 changed files with 32 additions and 18 deletions
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14
modules/log/file.go
View File

@ -225,14 +225,24 @@ func compressOldLogFile(fname string, compressionLevel int) error {
func (log *FileLogger) deleteOldLog() {
dir := filepath.Dir(log.Filename)
_ = filepath.Walk(dir, func(path string, info os.FileInfo, err error) (returnErr error) {
_ = filepath.WalkDir(dir, func(path string, d os.DirEntry, err error) (returnErr error) {
defer func() {
if r := recover(); r != nil {
returnErr = fmt.Errorf("Unable to delete old log '%s', error: %+v", path, r)
}
}()
if !info.IsDir() && info.ModTime().Unix() < (time.Now().Unix()-60*60*24*log.Maxdays) {
if err != nil {
return err
}
if d.IsDir() {
return nil
}
info, err := d.Info()
if err != nil {
return err
}
if info.ModTime().Unix() < (time.Now().Unix() - 60*60*24*log.Maxdays) {
if strings.HasPrefix(filepath.Base(path), filepath.Base(log.Filename)) {
if err := util.Remove(path); err != nil {
returnErr = fmt.Errorf("Failed to remove %s: %w", path, err)

4
modules/repository/generate.go
View File

@ -173,12 +173,12 @@ func generateRepoCommit(ctx context.Context, repo, templateRepo, generateRepo *r
// Avoid walking tree if there are no globs
if len(gt.Globs()) > 0 {
tmpDirSlash := strings.TrimSuffix(filepath.ToSlash(tmpDir), "/") + "/"
if err := filepath.Walk(tmpDirSlash, func(path string, info os.FileInfo, walkErr error) error {
if err := filepath.WalkDir(tmpDirSlash, func(path string, d os.DirEntry, walkErr error) error {
if walkErr != nil {
return walkErr
}
if info.IsDir() {
if d.IsDir() {
return nil
}

4
modules/storage/local.go
View File

@ -129,7 +129,7 @@ func (l *LocalStorage) URL(path, name string) (*url.URL, error) {
// IterateObjects iterates across the objects in the local storage
func (l *LocalStorage) IterateObjects(fn func(path string, obj Object) error) error {
return filepath.Walk(l.dir, func(path string, info os.FileInfo, err error) error {
return filepath.WalkDir(l.dir, func(path string, d os.DirEntry, err error) error {
if err != nil {
return err
}
@ -141,7 +141,7 @@ func (l *LocalStorage) IterateObjects(fn func(path string, obj Object) error) er
if path == l.dir {
return nil
}
if info.IsDir() {
if d.IsDir() {
return nil
}
relPath, err := filepath.Rel(l.dir, path)