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Optimize Repository.ListPack()

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Use pack file size returned by Backend.List() to avoid extra per-pack
Backend.Stat() requests

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
This commit is contained in:
Igor Fedorenko
2018-01-23 21:43:21 -05:00
parent 7e6bfdae79
commit 0084e42cb6
6 changed files with 27 additions and 22 deletions
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12
internal/index/index.go
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@@ -49,23 +49,21 @@ func New(ctx context.Context, repo restic.Repository, ignorePacks restic.IDSet,
for job := range ch {
p.Report(restic.Stat{Blobs: 1})
packID := job.Data.(restic.ID)
j := job.Result.(list.Result)
if job.Error != nil {
cause := errors.Cause(job.Error)
if _, ok := cause.(pack.InvalidFileError); ok {
invalidFiles = append(invalidFiles, packID)
invalidFiles = append(invalidFiles, j.PackID())
continue
}
fmt.Fprintf(os.Stderr, "pack file cannot be listed %v: %v\n", packID.Str(), job.Error)
fmt.Fprintf(os.Stderr, "pack file cannot be listed %v: %v\n", j.PackID(), job.Error)
continue
}
j := job.Result.(list.Result)
debug.Log("pack %v contains %d blobs", j.PackID(), len(j.Entries()))
debug.Log("pack %v contains %d blobs", packID.Str(), len(j.Entries()))
err := idx.AddPack(packID, j.Size(), j.Entries())
err := idx.AddPack(j.PackID(), j.Size(), j.Entries())
if err != nil {
return nil, nil, err
}