milvus/internal/datacoord/segment_manager_test.go
congqixia f5451d12f3
Refactor datacoord allocator (#7226)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2021-08-23 17:59:51 +08:00

244 lines
8.1 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.//
// 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 datacoord
import (
"context"
"testing"
"time"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/datapb"
"github.com/milvus-io/milvus/internal/proto/schemapb"
"github.com/stretchr/testify/assert"
)
func TestAllocSegment(t *testing.T) {
ctx := context.Background()
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
segmentManager := newSegmentManager(meta, mockAllocator)
schema := newTestSchema()
collID, err := mockAllocator.allocID(ctx)
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
t.Run("normal allocation", func(t *testing.T) {
allocations, err := segmentManager.AllocSegment(ctx, collID, 100, "c1", 100)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(allocations))
assert.EqualValues(t, 100, allocations[0].NumOfRows)
assert.NotEqualValues(t, 0, allocations[0].SegmentID)
assert.NotEqualValues(t, 0, allocations[0].ExpireTime)
})
}
func TestLoadSegmentsFromMeta(t *testing.T) {
ctx := context.Background()
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
schema := newTestSchema()
collID, err := mockAllocator.allocID(ctx)
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
sealedSegment := &datapb.SegmentInfo{
ID: 1,
CollectionID: collID,
PartitionID: 0,
InsertChannel: "",
State: commonpb.SegmentState_Sealed,
MaxRowNum: 100,
LastExpireTime: 1000,
}
growingSegment := &datapb.SegmentInfo{
ID: 2,
CollectionID: collID,
PartitionID: 0,
InsertChannel: "",
State: commonpb.SegmentState_Growing,
MaxRowNum: 100,
LastExpireTime: 1000,
}
flushedSegment := &datapb.SegmentInfo{
ID: 3,
CollectionID: collID,
PartitionID: 0,
InsertChannel: "",
State: commonpb.SegmentState_Flushed,
MaxRowNum: 100,
LastExpireTime: 1000,
}
err = meta.AddSegment(NewSegmentInfo(sealedSegment))
assert.Nil(t, err)
err = meta.AddSegment(NewSegmentInfo(growingSegment))
assert.Nil(t, err)
err = meta.AddSegment(NewSegmentInfo(flushedSegment))
assert.Nil(t, err)
segmentManager := newSegmentManager(meta, mockAllocator)
segments := segmentManager.segments
assert.EqualValues(t, 2, len(segments))
}
func TestSaveSegmentsToMeta(t *testing.T) {
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
schema := newTestSchema()
collID, err := mockAllocator.allocID(context.Background())
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
segmentManager := newSegmentManager(meta, mockAllocator)
allocations, err := segmentManager.AllocSegment(context.Background(), collID, 0, "c1", 1000)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(allocations))
_, err = segmentManager.SealAllSegments(context.Background(), collID)
assert.Nil(t, err)
segment := meta.GetSegment(allocations[0].SegmentID)
assert.NotNil(t, segment)
assert.EqualValues(t, segment.LastExpireTime, allocations[0].ExpireTime)
assert.EqualValues(t, commonpb.SegmentState_Sealed, segment.State)
}
func TestDropSegment(t *testing.T) {
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
schema := newTestSchema()
collID, err := mockAllocator.allocID(context.Background())
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
segmentManager := newSegmentManager(meta, mockAllocator)
allocations, err := segmentManager.AllocSegment(context.Background(), collID, 0, "c1", 1000)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(allocations))
segID := allocations[0].SegmentID
segment := meta.GetSegment(segID)
assert.NotNil(t, segment)
segmentManager.DropSegment(context.Background(), segID)
segment = meta.GetSegment(segID)
assert.NotNil(t, segment)
}
func TestAllocRowsLargerThanOneSegment(t *testing.T) {
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
schema := newTestSchema()
collID, err := mockAllocator.allocID(context.Background())
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
var mockPolicy = func(schema *schemapb.CollectionSchema) (int, error) {
return 1, nil
}
segmentManager := newSegmentManager(meta, mockAllocator, withCalUpperLimitPolicy(mockPolicy))
allocations, err := segmentManager.AllocSegment(context.TODO(), collID, 0, "c1", 2)
assert.Nil(t, err)
assert.EqualValues(t, 2, len(allocations))
assert.EqualValues(t, 1, allocations[0].NumOfRows)
assert.EqualValues(t, 1, allocations[1].NumOfRows)
}
func TestExpireAllocation(t *testing.T) {
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
schema := newTestSchema()
collID, err := mockAllocator.allocID(context.Background())
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
var mockPolicy = func(schema *schemapb.CollectionSchema) (int, error) {
return 10000000, nil
}
segmentManager := newSegmentManager(meta, mockAllocator, withCalUpperLimitPolicy(mockPolicy))
// alloc 100 times and expire
var maxts Timestamp
var id int64 = -1
for i := 0; i < 100; i++ {
allocs, err := segmentManager.AllocSegment(context.TODO(), collID, 0, "ch1", 100)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(allocs))
if id == -1 {
id = allocs[0].SegmentID
} else {
assert.EqualValues(t, id, allocs[0].SegmentID)
}
if allocs[0].ExpireTime > maxts {
maxts = allocs[0].ExpireTime
}
}
segment := meta.GetSegment(id)
assert.NotNil(t, segment)
assert.EqualValues(t, 100, len(segment.allocations))
segmentManager.ExpireAllocations("ch1", maxts)
segment = meta.GetSegment(id)
assert.NotNil(t, segment)
assert.EqualValues(t, 0, len(segment.allocations))
}
func TestGetFlushableSegments(t *testing.T) {
t.Run("get flushable segments between small interval", func(t *testing.T) {
Params.Init()
mockAllocator := newMockAllocator()
meta, err := newMemoryMeta(mockAllocator)
assert.Nil(t, err)
schema := newTestSchema()
collID, err := mockAllocator.allocID(context.Background())
assert.Nil(t, err)
meta.AddCollection(&datapb.CollectionInfo{ID: collID, Schema: schema})
segmentManager := newSegmentManager(meta, mockAllocator)
allocations, err := segmentManager.AllocSegment(context.TODO(), collID, 0, "c1", 2)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(allocations))
ids, err := segmentManager.SealAllSegments(context.TODO(), collID)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(ids))
assert.EqualValues(t, allocations[0].SegmentID, ids[0])
ids, err = segmentManager.GetFlushableSegments(context.TODO(), "c1", allocations[0].ExpireTime)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(ids))
assert.EqualValues(t, allocations[0].SegmentID, ids[0])
meta.SetLastFlushTime(allocations[0].SegmentID, time.Now())
ids, err = segmentManager.GetFlushableSegments(context.TODO(), "c1", allocations[0].ExpireTime)
assert.Nil(t, err)
assert.Empty(t, ids)
meta.SetLastFlushTime(allocations[0].SegmentID, time.Now().Local().Add(-flushInterval))
ids, err = segmentManager.GetFlushableSegments(context.TODO(), "c1", allocations[0].ExpireTime)
assert.Nil(t, err)
assert.EqualValues(t, 1, len(ids))
assert.EqualValues(t, allocations[0].SegmentID, ids[0])
})
}