mirror of
https://github.com/minio/minio.git
synced 2024-12-25 22:55:54 -05:00
043ddbd834
* XL/erasure-read: optimize memory allocation during erasure-read by using temporary buffer pool. With the change the buffer needed during GetObject by erasureReadFile is allocated only once.
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2016 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package bpool
|
|
|
|
import "testing"
|
|
|
|
func TestBytePool(t *testing.T) {
|
|
size := int64(10)
|
|
n := 16
|
|
pool := NewBytePool(size, n)
|
|
enBlocks := make([][]byte, n)
|
|
|
|
// Allocates all the 16 byte slices in the pool.
|
|
alloc := func() {
|
|
for i := range enBlocks {
|
|
var err error
|
|
enBlocks[i], err = pool.Get()
|
|
if err != nil {
|
|
t.Fatal("expected nil, got", err)
|
|
}
|
|
// Make sure the slice length is as expected.
|
|
if len(enBlocks[i]) != int(size) {
|
|
t.Fatalf("expected size %d, got %d", len(enBlocks[i]), size)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Allocate everything in the pool.
|
|
alloc()
|
|
// Any Get() will fail when the pool does not have any free buffer.
|
|
_, err := pool.Get()
|
|
if err == nil {
|
|
t.Fatalf("expected %s, got nil", err)
|
|
}
|
|
// Reset - so that all the buffers are marked as unused.
|
|
pool.Reset()
|
|
// Allocation of all the buffers in the pool should succeed now.
|
|
alloc()
|
|
}
|