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s3: use chunksize lib to determine chunksize dynamically

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This commit is contained in:
Derek Battams 2022-05-06 15:25:44 -04:00 committed by Nick Craig-Wood
parent f2e7a2e794
commit fb4f7555c7
1 changed files with 3 additions and 6 deletions
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9
backend/s3/s3.go
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@ -36,6 +36,7 @@ import (
"github.com/aws/aws-sdk-go/service/s3"
"github.com/ncw/swift/v2"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/chunksize"
"github.com/rclone/rclone/fs/config"
"github.com/rclone/rclone/fs/config/configmap"
"github.com/rclone/rclone/fs/config/configstruct"
@ -3838,7 +3839,7 @@ func (o *Object) uploadMultipart(ctx context.Context, req *s3.PutObjectInput, si
}
// calculate size of parts
partSize := int(f.opt.ChunkSize)
partSize := f.opt.ChunkSize
// size can be -1 here meaning we don't know the size of the incoming file. We use ChunkSize
// buffers here (default 5 MiB). With a maximum number of parts (10,000) this will be a file of
@ -3849,11 +3850,7 @@ func (o *Object) uploadMultipart(ctx context.Context, req *s3.PutObjectInput, si
f.opt.ChunkSize, fs.SizeSuffix(int64(partSize)*uploadParts))
})
} else {
// Adjust partSize until the number of parts is small enough.
if size/int64(partSize) >= uploadParts {
// Calculate partition size rounded up to the nearest MiB
partSize = int((((size / uploadParts) >> 20) + 1) << 20)
}
partSize = chunksize.Calculator(o, int(uploadParts), f.opt.ChunkSize)
}
memPool := f.getMemoryPool(int64(partSize))