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azureblob: speed up server side copies for small files #8249

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This speeds up server side copies for small files which need the check
the copy status by using an exponential ramp up of time to check the
copy status endpoint.
This commit is contained in:
Nick Craig-Wood 2024-12-16 17:04:16 +00:00
parent f4d5bee5c8
commit 5a23230fa9
1 changed files with 3 additions and 1 deletions
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4
backend/azureblob/azureblob.go
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@ -1648,13 +1648,15 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
copyStatus := startCopy.CopyStatus
getOptions := blob.GetPropertiesOptions{}
pollTime := 100 * time.Millisecond
for copyStatus != nil && string(*copyStatus) == string(container.CopyStatusTypePending) {
time.Sleep(1 * time.Second)
time.Sleep(pollTime)
getMetadata, err := dstBlobSVC.GetProperties(ctx, &getOptions)
if err != nil {
return nil, err
}
copyStatus = getMetadata.CopyStatus
pollTime = min(2*pollTime, time.Second)
}
return f.NewObject(ctx, remote)