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
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package bpool
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import "testing"
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func TestBytePool(t *testing.T) {
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size := int64(10)
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n := 16
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pool := NewBytePool(size, n)
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enBlocks := make([][]byte, n)
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// Allocates all the 16 byte slices in the pool.
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alloc := func() {
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for i := range enBlocks {
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var err error
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enBlocks[i], err = pool.Get()
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if err != nil {
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t.Fatal("expected nil, got", err)
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}
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// Make sure the slice length is as expected.
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if len(enBlocks[i]) != int(size) {
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t.Fatalf("expected size %d, got %d", len(enBlocks[i]), size)
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}
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}
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}
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// Allocate everything in the pool.
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alloc()
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// Any Get() will fail when the pool does not have any free buffer.
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_, err := pool.Get()
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if err == nil {
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t.Fatalf("expected %s, got nil", err)
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}
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// Reset - so that all the buffers are marked as unused.
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pool.Reset()
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// Allocation of all the buffers in the pool should succeed now.
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alloc()
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}
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