milvus/internal/allocator/local_allocator_test.go
yihao.dai 4e5f1d5f75
enhance: Pre-allocate ids for import (#33958)
The import is dependent on syncTask, which in turn relies on the
allocator. This PR pre-allocate the necessary IDs for import syncTask.

issue: https://github.com/milvus-io/milvus/issues/33957

---------

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2024-07-07 21:26:14 +08:00

73 lines
2.1 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 allocator
import (
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
func TestLocalAllocator(t *testing.T) {
t.Run("basic", func(t *testing.T) {
alloc := NewLocalAllocator(100, 200)
for i := 0; i < 10; i++ {
start, end, err := alloc.Alloc(10)
assert.NoError(t, err)
assert.Equal(t, int64(100+i*10), start)
assert.Equal(t, int64(100+(i+1)*10), end)
}
_, _, err := alloc.Alloc(10)
assert.Error(t, err)
_, err = alloc.AllocOne()
assert.Error(t, err)
_, _, err = alloc.Alloc(0)
assert.Error(t, err)
})
t.Run("concurrent", func(t *testing.T) {
idMap := typeutil.NewConcurrentMap[int64, struct{}]()
alloc := NewLocalAllocator(111, 1000111)
fn := func(wg *sync.WaitGroup) {
defer wg.Done()
for i := 0; i < 100; i++ {
start, end, err := alloc.Alloc(10)
assert.NoError(t, err)
for j := start; j < end; j++ {
assert.False(t, idMap.Contain(j)) // check no duplicated id
idMap.Insert(j, struct{}{})
}
}
}
wg := &sync.WaitGroup{}
for i := 0; i < 1000; i++ {
wg.Add(1)
go fn(wg)
}
wg.Wait()
assert.Equal(t, 1000000, idMap.Len())
// should be exhausted
assert.Equal(t, alloc.(*localAllocator).idEnd, alloc.(*localAllocator).idStart)
_, err := alloc.AllocOne()
assert.Error(t, err)
t.Logf("%v", err)
})
}