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

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
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 32 additions and 18 deletions

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@ -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)