vitess.io/vitess@v0.16.2/go/vt/vttablet/tabletserver/bench_test.go (about) 1 /* 2 Copyright 2019 The Vitess Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package tabletserver 18 19 import ( 20 "bytes" 21 "fmt" 22 "testing" 23 24 "context" 25 26 "vitess.io/vitess/go/sqltypes" 27 28 querypb "vitess.io/vitess/go/vt/proto/query" 29 topodatapb "vitess.io/vitess/go/vt/proto/topodata" 30 ) 31 32 // Benchmark run on 6/27/17, with optimized byte-level operations 33 // using bytes2.Buffer: 34 // BenchmarkExecuteVarBinary-4 300 4751125 ns/op 35 36 // Benchmark run on 6/25/17, prior to improvements: 37 // BenchmarkExecuteVarBinary-4 100 14610045 ns/op 38 // BenchmarkExecuteExpression-4 1000 1047798 ns/op 39 40 var benchQuery = "select a from test_table where v = :vtg1 and v0 = :vtg2 and v1 = :vtg3 and v2 = :vtg4 and v3 = :vtg5 and v4 = :vtg6 and v5 = :vtg7 and v6 = :vtg8 and v7 = :vtg9 and v8 = :vtg10 and v9 = :vtg11" 41 var benchVarValue []byte 42 43 func init() { 44 // benchQuerySize is the approximate size of the query. 45 // This code is in sync with bench_test.go in vtgate. 46 benchQuerySize := 1000000 47 48 // Size of value is 1/10 size of query. Then we add 49 // 10 such values to the where clause. 50 baseval := &bytes.Buffer{} 51 for i := 0; i < benchQuerySize/100; i++ { 52 baseval.WriteString("\\'123456789") 53 } 54 benchVarValue = baseval.Bytes() 55 } 56 57 func BenchmarkExecuteVarBinary(b *testing.B) { 58 db, tsv := setupTabletServerTest(nil, "") 59 defer db.Close() 60 defer tsv.StopService() 61 62 // sql that will be executed in this test 63 bv := map[string]*querypb.BindVariable{ 64 "vtg1": sqltypes.Int64BindVariable(1), 65 } 66 for i := 2; i <= 11; i++ { 67 bv[fmt.Sprintf("vtg%d", i)] = sqltypes.BytesBindVariable(benchVarValue) 68 } 69 70 target := querypb.Target{TabletType: topodatapb.TabletType_PRIMARY} 71 db.SetAllowAll(true) 72 for i := 0; i < b.N; i++ { 73 if _, err := tsv.Execute(context.Background(), &target, benchQuery, bv, 0, 0, nil); err != nil { 74 panic(err) 75 } 76 } 77 } 78 79 func BenchmarkExecuteExpression(b *testing.B) { 80 db, tsv := setupTabletServerTest(nil, "") 81 defer db.Close() 82 defer tsv.StopService() 83 84 // sql that will be executed in this test 85 bv := map[string]*querypb.BindVariable{ 86 "vtg1": sqltypes.Int64BindVariable(1), 87 } 88 for i := 2; i <= 11; i++ { 89 bv[fmt.Sprintf("vtg%d", i)] = &querypb.BindVariable{ 90 Type: querypb.Type_EXPRESSION, 91 Value: benchVarValue, 92 } 93 } 94 95 target := querypb.Target{TabletType: topodatapb.TabletType_PRIMARY} 96 db.SetAllowAll(true) 97 for i := 0; i < b.N; i++ { 98 if _, err := tsv.Execute(context.Background(), &target, benchQuery, bv, 0, 0, nil); err != nil { 99 panic(err) 100 } 101 } 102 }