-
Notifications
You must be signed in to change notification settings - Fork 5.9k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
global sort: global sort whole process in ut (#49419)
ref #48952
- Loading branch information
Showing
4 changed files
with
312 additions
and
83 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // 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 external | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "slices" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/google/uuid" | ||
| "github.com/pingcap/tidb/br/pkg/lightning/backend/kv" | ||
| "github.com/pingcap/tidb/br/pkg/lightning/common" | ||
| "github.com/pingcap/tidb/br/pkg/storage" | ||
| dbkv "github.com/pingcap/tidb/pkg/kv" | ||
| "github.com/pingcap/tidb/pkg/util/size" | ||
| "github.com/stretchr/testify/require" | ||
| "golang.org/x/exp/rand" | ||
| ) | ||
|
|
||
| func TestGlobalSortLocalBasic(t *testing.T) { | ||
| // 1. write data step | ||
| seed := time.Now().Unix() | ||
| rand.Seed(uint64(seed)) | ||
| t.Logf("seed: %d", seed) | ||
| ctx := context.Background() | ||
| memStore := storage.NewMemStorage() | ||
| memSizeLimit := (rand.Intn(10) + 1) * 400 | ||
| lastStepDatas := make([]string, 0, 10) | ||
| lastStepStats := make([]string, 0, 10) | ||
| var startKey, endKey dbkv.Key | ||
|
|
||
| closeFn := func(s *WriterSummary) { | ||
| for _, stat := range s.MultipleFilesStats { | ||
| for i := range stat.Filenames { | ||
| lastStepDatas = append(lastStepDatas, stat.Filenames[i][0]) | ||
| lastStepStats = append(lastStepStats, stat.Filenames[i][1]) | ||
| } | ||
| } | ||
| if len(startKey) == 0 && len(endKey) == 0 { | ||
| startKey = s.Min.Clone() | ||
| endKey = s.Max.Clone().Next() | ||
| } | ||
| startKey = BytesMin(startKey, s.Min.Clone()) | ||
| endKey = BytesMax(endKey, s.Max.Clone().Next()) | ||
| } | ||
|
|
||
| w := NewWriterBuilder(). | ||
| SetPropSizeDistance(100). | ||
| SetPropKeysDistance(2). | ||
| SetMemorySizeLimit(uint64(memSizeLimit)). | ||
| SetBlockSize(memSizeLimit). | ||
| SetOnCloseFunc(closeFn). | ||
| Build(memStore, "/test", "0") | ||
|
|
||
| writer := NewEngineWriter(w) | ||
| kvCnt := rand.Intn(10) + 10000 | ||
| kvs := make([]common.KvPair, kvCnt) | ||
| for i := 0; i < kvCnt; i++ { | ||
| kvs[i] = common.KvPair{ | ||
| Key: []byte(uuid.New().String()), | ||
| Val: []byte("56789"), | ||
| } | ||
| } | ||
| slices.SortFunc(kvs, func(i, j common.KvPair) int { | ||
| return bytes.Compare(i.Key, j.Key) | ||
| }) | ||
|
|
||
| require.NoError(t, writer.AppendRows(ctx, nil, kv.MakeRowsFromKvPairs(kvs))) | ||
| _, err := writer.Close(ctx) | ||
| require.NoError(t, err) | ||
|
|
||
| // 2. read and sort step | ||
| testReadAndCompare(ctx, t, kvs, memStore, lastStepDatas, lastStepStats, startKey, memSizeLimit) | ||
| } | ||
|
|
||
| func TestGlobalSortLocalWithMerge(t *testing.T) { | ||
| // 1. write data step | ||
| seed := time.Now().Unix() | ||
| rand.Seed(uint64(seed)) | ||
| t.Logf("seed: %d", seed) | ||
| ctx := context.Background() | ||
| memStore := storage.NewMemStorage() | ||
| memSizeLimit := (rand.Intn(10) + 1) * 400 | ||
|
|
||
| w := NewWriterBuilder(). | ||
| SetPropSizeDistance(100). | ||
| SetPropKeysDistance(2). | ||
| SetMemorySizeLimit(uint64(memSizeLimit)). | ||
| SetBlockSize(memSizeLimit). | ||
| Build(memStore, "/test", "0") | ||
|
|
||
| writer := NewEngineWriter(w) | ||
| kvCnt := rand.Intn(10) + 10000 | ||
| kvs := make([]common.KvPair, kvCnt) | ||
| for i := 0; i < kvCnt; i++ { | ||
| kvs[i] = common.KvPair{ | ||
| Key: []byte(uuid.New().String()), | ||
| Val: []byte("56789"), | ||
| } | ||
| } | ||
|
|
||
| slices.SortFunc(kvs, func(i, j common.KvPair) int { | ||
| return bytes.Compare(i.Key, j.Key) | ||
| }) | ||
|
|
||
| require.NoError(t, writer.AppendRows(ctx, nil, kv.MakeRowsFromKvPairs(kvs))) | ||
| _, err := writer.Close(ctx) | ||
| require.NoError(t, err) | ||
|
|
||
| // 2. merge step | ||
| datas, stats, err := GetAllFileNames(ctx, memStore, "") | ||
| require.NoError(t, err) | ||
|
|
||
| dataGroup, _ := splitDataAndStatFiles(datas, stats) | ||
|
|
||
| lastStepDatas := make([]string, 0, 10) | ||
| lastStepStats := make([]string, 0, 10) | ||
| var startKey, endKey dbkv.Key | ||
|
|
||
| closeFn := func(s *WriterSummary) { | ||
| for _, stat := range s.MultipleFilesStats { | ||
| for i := range stat.Filenames { | ||
| lastStepDatas = append(lastStepDatas, stat.Filenames[i][0]) | ||
| lastStepStats = append(lastStepStats, stat.Filenames[i][1]) | ||
| } | ||
|
|
||
| } | ||
| if len(startKey) == 0 && len(endKey) == 0 { | ||
| startKey = s.Min.Clone() | ||
| endKey = s.Max.Clone().Next() | ||
| } | ||
| startKey = BytesMin(startKey, s.Min.Clone()) | ||
| endKey = BytesMax(endKey, s.Max.Clone().Next()) | ||
| } | ||
|
|
||
| for _, group := range dataGroup { | ||
| MergeOverlappingFiles( | ||
| ctx, | ||
| group, | ||
| memStore, | ||
| int64(5*size.MB), | ||
| 100, | ||
| "/test2", | ||
| 100, | ||
| 8*1024, | ||
| 100, | ||
| 2, | ||
| closeFn, | ||
| 1, | ||
| true, | ||
| ) | ||
| } | ||
|
|
||
| // 3. read and sort step | ||
| testReadAndCompare(ctx, t, kvs, memStore, lastStepDatas, lastStepStats, startKey, memSizeLimit) | ||
| } |
Oops, something went wrong.