Function BenchmarkRevisionCacheRead

db/revision_cache_test.go:1756–1782

(b *testing.B)

}

func BenchmarkRevisionCacheRead(b *testing.B) {
	base.SetUpBenchmarkLogging(b, base.LevelDebug, base.KeyAll)

	cacheHitCounter, cacheMissCounter, getDocumentCounter, getRevisionCounter, cacheNumItems, memoryBytesCounted := base.SgwIntStat{}, base.SgwIntStat{}, base.SgwIntStat{}, base.SgwIntStat{}, base.SgwIntStat{}, base.SgwIntStat{}
	backingStoreMap := CreateTestSingleBackingStoreMap(&testBackingStore{nil, &getDocumentCounter, &getRevisionCounter}, testCollectionID)
	cacheOptions := &RevisionCacheOptions{
		MaxItemCount: DefaultRevisionCacheSize,
		MaxBytes:     0,
	}
	cache := NewLRURevisionCache(cacheOptions, backingStoreMap, &cacheHitCounter, &cacheMissCounter, &cacheNumItems, &memoryBytesCounted)

	ctx := base.TestCtx(b)

	// trigger load into cache
	for i := 0; i < 5000; i++ {
		_, _ = cache.GetWithRev(ctx, fmt.Sprintf("doc%d", i), "1-abc", testCollectionID, RevCacheOmitDelta)
	}

	b.ResetTimer()
	b.RunParallel(func(pb *testing.PB) {
		// GET the document until test run has completed
		for pb.Next() {
			docId := fmt.Sprintf("doc%d", rand.Intn(5000))
			_, _ = cache.GetWithRev(ctx, docId, "1-abc", testCollectionID, RevCacheOmitDelta)
		}
	})
}

// createThenRemoveFromRevCache will create a doc and then immediately remove it from the rev cache
func createThenRemoveFromRevCache(t *testing.T, ctx context.Context, docID string, db *Database, collection *DatabaseCollectionWithUser) DocVersion {