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Avoid allocating larger buffer if the incoming body is small (#6035)
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cb9ee1584a
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@ -375,8 +375,17 @@ func (xl xlObjects) PutObjectPart(ctx context.Context, bucket, object, uploadID
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}
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// Fetch buffer for I/O, returns from the pool if not allocates a new one and returns.
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buffer := xl.bp.Get()
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defer xl.bp.Put(buffer)
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var buffer []byte
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switch size := data.Size(); {
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case size == 0:
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buffer = make([]byte, 1) // Allocate atleast a byte to reach EOF
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case size < blockSizeV1:
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// No need to allocate fully blockSizeV1 buffer if the incoming data is smaller.
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buffer = make([]byte, size, 2*size)
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default:
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buffer = xl.bp.Get()
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defer xl.bp.Put(buffer)
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}
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file, err := storage.CreateFile(ctx, data, minioMetaTmpBucket, tmpPartPath, buffer, DefaultBitrotAlgorithm, writeQuorum)
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if err != nil {
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@ -611,8 +611,17 @@ func (xl xlObjects) putObject(ctx context.Context, bucket string, object string,
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}
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// Fetch buffer for I/O, returns from the pool if not allocates a new one and returns.
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buffer := xl.bp.Get()
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defer xl.bp.Put(buffer)
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var buffer []byte
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switch size := data.Size(); {
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case size == 0:
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buffer = make([]byte, 1) // Allocate atleast a byte to reach EOF
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case size < blockSizeV1:
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// No need to allocate fully blockSizeV1 buffer if the incoming data is smaller.
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buffer = make([]byte, size, 2*size)
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default:
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buffer = xl.bp.Get()
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defer xl.bp.Put(buffer)
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}
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// Read data and split into parts - similar to multipart mechanism
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for partIdx := 1; ; partIdx++ {
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