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77 lines
2.5 KiB
Go
77 lines
2.5 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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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package vralloc
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import (
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"fmt"
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"sync"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/milvus-io/milvus/pkg/util/hardware"
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)
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func TestFixedSizeAllocator(t *testing.T) {
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a := NewFixedSizeAllocator(&Resource{100, 100, 100})
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allocated, _ := a.Allocate("a1", &Resource{10, 10, 10})
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assert.Equal(t, true, allocated)
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allocated, _ = a.Allocate("a2", &Resource{90, 90, 90})
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assert.Equal(t, true, allocated)
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allocated, short := a.Allocate("a3", &Resource{10, 0, 0})
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assert.Equal(t, false, allocated)
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assert.Equal(t, &Resource{10, 0, 0}, short)
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a.Release("a2")
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allocated, _ = a.Allocate("a3", &Resource{10, 0, 0})
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assert.Equal(t, true, allocated)
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m := a.Inspect()
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assert.Equal(t, 2, len(m))
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allocated, _ = a.Allocate("a1", &Resource{10, 0, 0})
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assert.Equal(t, false, allocated)
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}
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func TestFixedSizeAllocatorRace(t *testing.T) {
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a := NewFixedSizeAllocator(&Resource{100, 100, 100})
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wg := new(sync.WaitGroup)
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for i := 0; i < 100; i++ {
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wg.Add(1)
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go func(index int) {
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defer wg.Done()
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allocated, _ := a.Allocate(fmt.Sprintf("a%d", index), &Resource{1, 1, 1})
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assert.Equal(t, true, allocated)
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}(i)
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}
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wg.Wait()
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m := a.Inspect()
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assert.Equal(t, 100, len(m))
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}
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func TestPhysicalAwareFixedSizeAllocator(t *testing.T) {
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hwMemoryLimit := int64(float32(hardware.GetMemoryCount()) * 0.9)
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hwDiskLimit := int64(1<<63 - 1)
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a := NewPhysicalAwareFixedSizeAllocator(&Resource{100, 100, 100}, hwMemoryLimit, hwDiskLimit, "/tmp")
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allocated, _ := a.Allocate("a1", &Resource{10, 10, 10})
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assert.Equal(t, true, allocated)
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allocated, _ = a.Allocate("a2", &Resource{90, 90, 90})
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assert.Equal(t, true, allocated)
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allocated, short := a.Allocate("a3", &Resource{10, 0, 0})
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assert.Equal(t, false, allocated)
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assert.Equal(t, &Resource{10, 0, 0}, short)
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}
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