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sync,operations: fix correct concurrency: use --checkers unless transferring files

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There were some places (e.g. deleting files) where we were using
--transfers instead of --checkers to control the concurrency when
files weren't being transferred.

These have been updated to use --checkers.
This commit is contained in:
Nick Craig-Wood 2023-02-07 10:56:03 +00:00
parent 019a486d5b
commit a5390dbbeb
2 changed files with 14 additions and 9 deletions
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17
fs/operations/operations.go
View File

@ -678,11 +678,11 @@ func DeleteFile(ctx context.Context, dst fs.Object) (err error) {
func DeleteFilesWithBackupDir(ctx context.Context, toBeDeleted fs.ObjectsChan, backupDir fs.Fs) error {
var wg sync.WaitGroup
ci := fs.GetConfig(ctx)
wg.Add(ci.Transfers)
wg.Add(ci.Checkers)
var errorCount int32
var fatalErrorCount int32
for i := 0; i < ci.Transfers; i++ {
for i := 0; i < ci.Checkers; i++ {
go func() {
defer wg.Done()
for dst := range toBeDeleted {
@ -1022,7 +1022,12 @@ func hashSum(ctx context.Context, ht hash.Type, base64Encoded bool, downloadFlag
// Updated to perform multiple hashes concurrently
func HashLister(ctx context.Context, ht hash.Type, outputBase64 bool, downloadFlag bool, f fs.Fs, w io.Writer) error {
width := hash.Width(ht, outputBase64)
concurrencyControl := make(chan struct{}, fs.GetConfig(ctx).Transfers)
// Use --checkers concurrency unless downloading in which case use --transfers
concurrency := fs.GetConfig(ctx).Checkers
if downloadFlag {
concurrency = fs.GetConfig(ctx).Transfers
}
concurrencyControl := make(chan struct{}, concurrency)
var wg sync.WaitGroup
err := ListFn(ctx, f, func(o fs.Object) {
wg.Add(1)
@ -1173,7 +1178,7 @@ func Purge(ctx context.Context, f fs.Fs, dir string) (err error) {
// obeys includes and excludes.
func Delete(ctx context.Context, f fs.Fs) error {
ci := fs.GetConfig(ctx)
delChan := make(fs.ObjectsChan, ci.Transfers)
delChan := make(fs.ObjectsChan, ci.Checkers)
delErr := make(chan error, 1)
go func() {
delErr <- DeleteFiles(ctx, delChan)
@ -2187,9 +2192,9 @@ func DirMove(ctx context.Context, f fs.Fs, srcRemote, dstRemote string) (err err
o fs.Object
newPath string
}
renames := make(chan rename, ci.Transfers)
renames := make(chan rename, ci.Checkers)
g, gCtx := errgroup.WithContext(context.Background())
for i := 0; i < ci.Transfers; i++ {
for i := 0; i < ci.Checkers; i++ {
g.Go(func() error {
for job := range renames {
dstOverwritten, _ := f.NewObject(gCtx, job.newPath)

6
fs/sync/sync.go
View File

@ -537,7 +537,7 @@ func (s *syncCopyMove) deleteFiles(checkSrcMap bool) error {
}
// Delete the spare files
toDelete := make(fs.ObjectsChan, s.ci.Transfers)
toDelete := make(fs.ObjectsChan, s.ci.Checkers)
go func() {
outer:
for remote, o := range s.dstFiles {
@ -772,8 +772,8 @@ func (s *syncCopyMove) makeRenameMap() {
// now make a map of size,hash for all dstFiles
s.renameMap = make(map[string][]fs.Object)
var wg sync.WaitGroup
wg.Add(s.ci.Transfers)
for i := 0; i < s.ci.Transfers; i++ {
wg.Add(s.ci.Checkers)
for i := 0; i < s.ci.Checkers; i++ {
go func() {
defer wg.Done()
for obj := range in {