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Improve removeExistingDocuments performance by adding cache
Signed-off-by: Gao Hongtao <[email protected]>
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@@ -17,3 +17,4 @@ vendor/** | |
| /search/query/y.output | ||
| *.test | ||
| tags | ||
| *.prof | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| // Copyright (c) 2020 Couchbase, 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 index | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "runtime/pprof" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
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||
| // goos: darwin | ||
| // goarch: arm64 | ||
| // pkg: github.com/blugelabs/bluge/index | ||
| // cpu: Apple M1 Pro | ||
| // BenchmarkWriter_removeExistingDocuments-NoCache 24632 41085 ns/op 18711 B/op 204 allocs/op | ||
| // BenchmarkWriter_removeExistingDocuments-Cache 161628 6865 ns/op 2456 B/op 102 allocs/op | ||
| func BenchmarkWriter_removeExistingDocuments(b *testing.B) { | ||
| cfg, cleanup := CreateConfig("BenchmarkWriter_removeExistingDocuments") | ||
| cfg.CacheMaxBytes = 100 << 20 | ||
| defer func() { | ||
| err := cleanup() | ||
| if err != nil { | ||
| b.Log(err) | ||
| } | ||
| }() | ||
|
|
||
| idx, err := OpenWriter(cfg) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| defer func() { | ||
| err = idx.Close() | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| }() | ||
| for i := 0; i < 3000; i += 100 { | ||
| batch := NewBatch() | ||
| for j := 0; j < 100; j++ { | ||
| serviceName := fmt.Sprintf("service-%d", (i+j)%10) // 10 different service names | ||
| ipAddress := fmt.Sprintf("192.168.%d.%d", (i+j)/256, (i+j)%256) // IP addresses | ||
| docID := fmt.Sprintf("%s-%s", serviceName, ipAddress) | ||
| doc := &FakeDocument{ | ||
| NewFakeField("_id", docID, true, false, true), | ||
| NewFakeField("title", fmt.Sprintf("mister-%d", i), true, false, true), | ||
| } | ||
| batch.Insert(doc) | ||
| } | ||
| if err := idx.Batch(batch); err != nil { | ||
| b.Fatalf("failed to apply batch: %v", err) | ||
| } | ||
| } | ||
| time.Sleep(1 * time.Second) | ||
| batchRemove := NewBatch() | ||
| for j := 0; j < 100; j++ { | ||
| serviceName := fmt.Sprintf("service-%d", j%10) // 10 different service names | ||
| ipAddress := fmt.Sprintf("192.168.%d.%d", j/256, j%256) // IP addresses | ||
| docID := fmt.Sprintf("%s-%s", serviceName, ipAddress) // Document ID composed of service name and IP address | ||
| doc := &FakeDocument{ | ||
| NewFakeField("_id", docID, true, false, true), | ||
| NewFakeField("title", fmt.Sprintf("mister-%d", j), true, false, true), | ||
| } | ||
| batchRemove.InsertIfAbsent(testIdentifier(docID), []string{"title"}, doc) | ||
| } | ||
|
|
||
| // Start profiling | ||
| f, err := os.Create("cpu.prof") | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| defer f.Close() | ||
| if err := pprof.StartCPUProfile(f); err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| defer pprof.StopCPUProfile() | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| batchRemove.ResetDoc() | ||
| err := idx.removeExistingDocuments(batchRemove) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| } |
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