Revert "storage: add BenchmarkFanoutAppenderV2"

This reverts commit 91b0f353b0.

storage/fanout_test.go

@@ -16,7 +16,6 @@ package storage_test
 import (
 	"context"
 	"errors"
-	"strconv"
 	"testing"
 
 	"github.com/prometheus/common/model"
@@ -564,38 +563,3 @@ func TestFanoutAppenderV2(t *testing.T) {
 		})
 	}
 }
-
-// Recommended CLI invocation:
-/*
-	export bench=fanoutAppender && go test ./storage/... \
-		-run '^$' -bench '^BenchmarkFanoutAppenderV2' \
-		-benchtime 2s -count 6 -cpu 2 -timeout 999m \
-		| tee ${bench}.txt
-*/
-func BenchmarkFanoutAppenderV2(b *testing.B) {
-	ex := exemplar.Exemplar{Value: 1}
-
-	var series []labels.Labels
-	for i := range 1000 {
-		series = append(series, labels.FromStrings(model.MetricNameLabel, "metric1", "i", strconv.Itoa(i)))
-	}
-	for _, tt := range fanoutAppenderTestCases(nil) {
-		b.Run(tt.name, func(b *testing.B) {
-			f := storage.NewFanout(nil, mockStorage{appV2: tt.primary}, mockStorage{appV2: tt.secondary})
-
-			b.ReportAllocs()
-			b.ResetTimer()
-			for b.Loop() {
-				app := f.AppenderV2(b.Context())
-				for _, s := range series {
-					// Purposefully skip errors as we want to benchmark error cases too (majority of the fanout logic).
-					_, _ = app.Append(0, s, 0, 0, 1, nil, nil, storage.AOptions{
-						Exemplars: []exemplar.Exemplar{ex},
-					})
-				}
-				require.NoError(b, app.Rollback())
-
-			}
-		})
-	}
-}