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Merge pull request #91544 from brianpursley/DeleteCollectionWorkers

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Avoid creating more delete collection workers than items to delete
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Kubernetes Prow Robot 2020-05-29 11:56:29 -07:00 committed by GitHub
commit 106c3eff51
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1 changed files with 8 additions and 1 deletions
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9
staging/src/k8s.io/apiserver/pkg/registry/generic/registry/store.go
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@ -1006,12 +1006,19 @@ func (e *Store) DeleteCollection(ctx context.Context, deleteValidation rest.Vali
if err != nil {
return nil, err
}
if len(items) == 0 {
// Nothing to delete, return now
return listObj, nil
}
// Spawn a number of goroutines, so that we can issue requests to storage
// in parallel to speed up deletion.
// TODO: Make this proportional to the number of items to delete, up to
// It is proportional to the number of items to delete, up to
// DeleteCollectionWorkers (it doesn't make much sense to spawn 16
// workers to delete 10 items).
workersNumber := e.DeleteCollectionWorkers
if workersNumber > len(items) {
workersNumber = len(items)
}
if workersNumber < 1 {
workersNumber = 1
}