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Make the benchmark more realistic, returning some postings

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Signed-off-by: Marco Pracucci <marco@pracucci.com>
This commit is contained in:
Marco Pracucci 2023-09-28 10:46:22 +02:00
parent 9bcca44ac4
commit 8d92930140
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GPG key ID: 74C1BD403D2DF9B5
1 changed files with 12 additions and 3 deletions
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15
tsdb/postings_for_matchers_cache_test.go
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@ -340,7 +340,10 @@ func TestPostingsForMatchersCache(t *testing.T) {
}
func BenchmarkPostingsForMatchersCache(b *testing.B) {
const numMatchers = 100
const (
numMatchers = 100
numPostings = 100
)
var (
ctx = context.Background()
@ -353,11 +356,17 @@ func BenchmarkPostingsForMatchersCache(b *testing.B) {
matchersLists[i] = []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "matchers", fmt.Sprintf("%d", i))}
}
// Create a postings list.
refs := make([]storage.SeriesRef, numPostings)
for r := range refs {
refs[r] = storage.SeriesRef(r)
}
b.Run("no evictions", func(b *testing.B) {
// Configure the cache to never evict.
cache := NewPostingsForMatchersCache(time.Hour, 1000000, 1024*1024*1024, true)
cache.postingsForMatchers = func(ctx context.Context, ix IndexPostingsReader, ms ...*labels.Matcher) (index.Postings, error) {
return index.NewListPostings(nil), nil
return index.NewListPostings(refs), nil
}
b.ResetTimer()
@ -374,7 +383,7 @@ func BenchmarkPostingsForMatchersCache(b *testing.B) {
// Configure the cache to evict continuously.
cache := NewPostingsForMatchersCache(time.Hour, 1, 1, true)
cache.postingsForMatchers = func(ctx context.Context, ix IndexPostingsReader, ms ...*labels.Matcher) (index.Postings, error) {
return index.NewListPostings(nil), nil
return index.NewListPostings(refs), nil
}
b.ResetTimer()