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Avoid allocating larger buffer if the incoming body is small (#6035)

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Harshavardhana 2018-06-13 11:55:12 -07:00 committed by kannappanr
parent cb9ee1584a
commit 05f96f3956
2 changed files with 22 additions and 4 deletions
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13
cmd/xl-v1-multipart.go
View File

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

13
cmd/xl-v1-object.go
View File

@ -611,8 +611,17 @@ func (xl xlObjects) putObject(ctx context.Context, bucket string, object string,
}
// Fetch buffer for I/O, returns from the pool if not allocates a new one and returns.
buffer := xl.bp.Get()
defer xl.bp.Put(buffer)
var buffer []byte
switch size := data.Size(); {
case size == 0:
buffer = make([]byte, 1) // Allocate atleast a byte to reach EOF
case size < blockSizeV1:
// No need to allocate fully blockSizeV1 buffer if the incoming data is smaller.
buffer = make([]byte, size, 2*size)
default:
buffer = xl.bp.Get()
defer xl.bp.Put(buffer)
}
// Read data and split into parts - similar to multipart mechanism
for partIdx := 1; ; partIdx++ {