milvus/internal/datanode/buffer_test.go
Enwei Jiao 89b810a4db
Refactor all params into ParamItem (#20987)
Signed-off-by: Enwei Jiao <enwei.jiao@zilliz.com>

Signed-off-by: Enwei Jiao <enwei.jiao@zilliz.com>
2022-12-07 18:01:19 +08:00

202 lines
5.9 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 datanode
import (
"container/heap"
"fmt"
"math"
"strconv"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/milvus-io/milvus-proto/go-api/commonpb"
"github.com/milvus-io/milvus-proto/go-api/schemapb"
"github.com/milvus-io/milvus/internal/proto/internalpb"
"github.com/milvus-io/milvus/internal/util/paramtable"
)
func genTestCollectionSchema(dim int64, vectorType schemapb.DataType) *schemapb.CollectionSchema {
floatVecFieldSchema := &schemapb.FieldSchema{
FieldID: 100,
Name: "vec",
DataType: vectorType,
TypeParams: []*commonpb.KeyValuePair{
{
Key: "dim",
Value: fmt.Sprintf("%d", dim),
},
},
}
schema := &schemapb.CollectionSchema{
Name: "collection-0",
Fields: []*schemapb.FieldSchema{
floatVecFieldSchema,
},
}
return schema
}
func TestBufferData(t *testing.T) {
paramtable.Get().Save(Params.DataNodeCfg.FlushInsertBufferSize.Key, strconv.FormatInt(16*(1<<20), 10)) // 16 MB
tests := []struct {
isValid bool
indim int64
expectedLimit int64
vectorType schemapb.DataType
description string
}{
{true, 1, 4194304, schemapb.DataType_FloatVector, "Smallest of the DIM"},
{true, 128, 32768, schemapb.DataType_FloatVector, "Normal DIM"},
{true, 32768, 128, schemapb.DataType_FloatVector, "Largest DIM"},
{true, 4096, 32768, schemapb.DataType_BinaryVector, "Normal binary"},
{false, 0, 0, schemapb.DataType_FloatVector, "Illegal DIM"},
}
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
idata, err := newBufferData(genTestCollectionSchema(test.indim, test.vectorType))
if test.isValid {
assert.NoError(t, err)
assert.NotNil(t, idata)
assert.Equal(t, test.expectedLimit, idata.limit)
assert.Zero(t, idata.size)
capacity := idata.effectiveCap()
assert.Equal(t, test.expectedLimit, capacity)
} else {
assert.Error(t, err)
assert.Nil(t, idata)
}
})
}
}
func TestBufferData_updateTimeRange(t *testing.T) {
paramtable.Get().Save(Params.DataNodeCfg.FlushInsertBufferSize.Key, strconv.FormatInt(16*(1<<20), 10)) // 16 MB
type testCase struct {
tag string
trs []TimeRange
expectFrom Timestamp
expectTo Timestamp
}
cases := []testCase{
{
tag: "no input range",
expectTo: 0,
expectFrom: math.MaxUint64,
},
{
tag: "single range",
trs: []TimeRange{
{timestampMin: 100, timestampMax: 200},
},
expectFrom: 100,
expectTo: 200,
},
{
tag: "multiple range",
trs: []TimeRange{
{timestampMin: 150, timestampMax: 250},
{timestampMin: 100, timestampMax: 200},
{timestampMin: 50, timestampMax: 180},
},
expectFrom: 50,
expectTo: 250,
},
}
for _, tc := range cases {
t.Run(tc.tag, func(t *testing.T) {
bd, err := newBufferData(genTestCollectionSchema(16, schemapb.DataType_FloatVector))
require.NoError(t, err)
for _, tr := range tc.trs {
bd.updateTimeRange(tr)
}
assert.Equal(t, tc.expectFrom, bd.tsFrom)
assert.Equal(t, tc.expectTo, bd.tsTo)
})
}
}
func Test_CompactSegBuff(t *testing.T) {
channelSegments := make(map[UniqueID]*Segment)
delBufferManager := &DelBufferManager{
channel: &ChannelMeta{
segments: channelSegments,
},
delMemorySize: 0,
delBufHeap: &PriorityQueue{},
}
//1. set compactTo and compactFrom
compactedFromSegIDs := make([]UniqueID, 2)
var segID1 UniqueID = 1111
var segID2 UniqueID = 2222
compactedFromSegIDs[0] = segID1
compactedFromSegIDs[1] = segID2
channelSegments[segID1] = &Segment{}
channelSegments[segID2] = &Segment{}
var compactedToSegID UniqueID = 3333
channelSegments[compactedToSegID] = &Segment{}
//2. set up deleteDataBuf for seg1 and seg2
delDataBuf1 := newDelDataBuf()
delDataBuf1.EntriesNum++
delDataBuf1.updateStartAndEndPosition(nil, &internalpb.MsgPosition{Timestamp: 50})
delBufferManager.Store(segID1, delDataBuf1)
heap.Push(delBufferManager.delBufHeap, delDataBuf1.item)
delDataBuf2 := newDelDataBuf()
delDataBuf2.EntriesNum++
delDataBuf2.updateStartAndEndPosition(nil, &internalpb.MsgPosition{Timestamp: 50})
delBufferManager.Store(segID2, delDataBuf2)
heap.Push(delBufferManager.delBufHeap, delDataBuf2.item)
//3. test compact
delBufferManager.CompactSegBuf(compactedToSegID, compactedFromSegIDs)
//4. expect results in two aspects:
//4.1 compactedFrom segments are removed from delBufferManager
//4.2 compactedTo seg is set properly with correct entriesNum
_, seg1Exist := delBufferManager.Load(segID1)
_, seg2Exist := delBufferManager.Load(segID2)
assert.False(t, seg1Exist)
assert.False(t, seg2Exist)
assert.Equal(t, int64(2), delBufferManager.GetEntriesNum(compactedToSegID))
//5. test roll and evict (https://github.com/milvus-io/milvus/issues/20501)
delBufferManager.channel.rollDeleteBuffer(compactedToSegID)
_, segCompactedToExist := delBufferManager.Load(compactedToSegID)
assert.False(t, segCompactedToExist)
delBufferManager.channel.evictHistoryDeleteBuffer(compactedToSegID, &internalpb.MsgPosition{
Timestamp: 100,
})
cp := delBufferManager.channel.getChannelCheckpoint(&internalpb.MsgPosition{
Timestamp: 200,
})
assert.Equal(t, Timestamp(200), cp.Timestamp) // evict all buffer, use ttPos as cp
}