Files
traces/pkg/drain/drain_benchmark_test.go
76c2c85b97 [Generator] Add DRAIN span_name sanitizer (#6098)
* [Generator] Add DRAIN span_name sanitizer

* Fix linter

* Fix formatting

* Update default manifest

* Fix build error in update-fixtures

* Remove bad test

* Remove misleading comment

* Add per-tenant override for drain mode

* Do a machines job

* Address PR feedback

* Address PR review: rename drain_mode config and improve sanitizer

- Rename `drain_mode` to `span_name_sanitization` across all config,
  legacy config, interfaces, and overrides for better user-facing clarity
- Add explicit default value "disabled" in RegisterFlagsAndApplyDefaults
- Add ValidateSpanNameSanitization function in validation/fields.go
- Rename metrics to remove DRAIN reference:
  `drain_spans_compacted_total` -> `spans_sanitized_total`
  `post_drain_demand_estimate` -> `post_sanitization_demand_estimate`
- Pass configured staleDuration to NewDrainSanitizer instead of
  hardcoded 15min, consistent with other registry components
- Extract "span_name" magic string to labelSpanName constant
- Update all tests with new names and signatures

* Update manifest

* Use empty string as disabled

* Update CHANGELOG.md

Co-authored-by: Suraj Nath <[email protected]>

* Update manifest

---------

Co-authored-by: Suraj Nath <[email protected]>
2026-02-22 00:55:22 -08:00

44 lines
827 B
Go

package drain
import (
"encoding/json"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
)
func BenchmarkDrain_TrainExtractsPatterns(b *testing.B) {
tests := []struct {
inputFile string
}{
{inputFile: `dev1.json`},
{inputFile: `ops1.json`},
{inputFile: `prod1.json`},
{inputFile: `prod2.json`},
{inputFile: `prod3.json`},
}
for _, tt := range tests {
b.Run(tt.inputFile, func(b *testing.B) {
linesJSON, err := os.ReadFile(filepath.Join("testdata", tt.inputFile))
require.NoError(b, err)
var lines []string
err = json.Unmarshal(linesJSON, &lines)
require.NoError(b, err)
drain := New("test-tenant", DefaultConfig())
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
for _, line := range lines {
drain.Train(line)
}
}
})
}
}