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azureblob,b2,s3: fix chunksize calculations producing too many parts

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Before this fix, the chunksize calculator was using the previous size
of the object, not the new size of the object to calculate the chunk
sizes.

This meant that uploading a replacement object which needed a new
chunk size would fail, using too many parts.

This fix fixes the calculator to take the size explicitly.
This commit is contained in:
Nick Craig-Wood
2022-08-09 10:44:54 +01:00
parent 831c79b11d
commit 603efbfe76
5 changed files with 111 additions and 37 deletions
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2
backend/b2/upload.go
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@@ -97,7 +97,7 @@ func (f *Fs) newLargeUpload(ctx context.Context, o *Object, in io.Reader, src fs
if size == -1 {
fs.Debugf(o, "Streaming upload with --b2-chunk-size %s allows uploads of up to %s and will fail only when that limit is reached.", f.opt.ChunkSize, maxParts*f.opt.ChunkSize)
} else {
chunkSize = chunksize.Calculator(src, maxParts, defaultChunkSize)
chunkSize = chunksize.Calculator(o, size, maxParts, defaultChunkSize)
parts = size / int64(chunkSize)
if size%int64(chunkSize) != 0 {
parts++