| 1 | package sessioncatalog |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "testing" |
| 9 | "time" |
| 10 | ) |
| 11 | |
| 12 | // Measures metadata/SQLite work without the scheduler's deliberate inter-slice |
| 13 | // sleep. Native startup acceptance remains a separate production-package test. |
| 14 | func BenchmarkMetadataScanUnchanged10K(b *testing.B) { |
| 15 | dir := b.TempDir() |
| 16 | for i := range 10000 { |
| 17 | if err := os.WriteFile(filepath.Join(dir, fmt.Sprintf("%05d.jsonl", i)), []byte("unread body\n"), 0600); err != nil { |
| 18 | b.Fatal(err) |
| 19 | } |
| 20 | } |
| 21 | c, err := Open(b.Context(), Options{Path: filepath.Join(b.TempDir(), "catalog.sqlite"), MetadataOnly: true, StartPaused: true}) |
| 22 | if err != nil { |
| 23 | b.Fatal(err) |
| 24 | } |
| 25 | b.Cleanup(func() { _ = c.Close(context.Background()) }) |
| 26 | target := DirectoryTarget{Path: dir, Scope: "global"} |
| 27 | scan := func() { |
| 28 | run, err := c.startMetadataScan(b.Context(), target, c.mutationSeq.Add(1), false) |
| 29 | if err != nil { |
| 30 | b.Fatal(err) |
| 31 | } |
| 32 | defer func() { run.close(b.Context(), err) }() |
| 33 | for { |
| 34 | var done bool |
| 35 | done, _, err = run.step(b.Context()) |
| 36 | if err != nil { |
| 37 | b.Fatal(err) |
| 38 | } |
| 39 | if done { |
| 40 | return |
| 41 | } |
| 42 | } |
| 43 | } |
| 44 | started := time.Now() |
| 45 | scan() |
| 46 | cold := time.Since(started) |
| 47 | b.ResetTimer() |
| 48 | for range b.N { |
| 49 | scan() |
| 50 | } |
| 51 | b.ReportMetric(float64(cold)/float64(time.Millisecond), "cold-ms") |
| 52 | } |
| 53 |