diff --git a/src/main/java/it/cavallium/dbengine/client/LazyHitEntry.java b/src/main/java/it/cavallium/dbengine/client/LazyHitEntry.java
index feb94d8..03cf552 100644
--- a/src/main/java/it/cavallium/dbengine/client/LazyHitEntry.java
+++ b/src/main/java/it/cavallium/dbengine/client/LazyHitEntry.java
@@ -8,4 +8,8 @@ public record LazyHitEntry<T, U>(Mono<T> key, Mono<U> value, float score) {
 	public Mono<HitEntry<T, U>> resolve() {
 		return Mono.zip(key, value, (k, v) -> new HitEntry<>(k, v, score));
 	}
+
+	public Mono<HitKey<T>> resolveKey() {
+		return key.map(k -> new HitKey<>(k, score));
+	}
 }
diff --git a/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java b/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
index be22e6c..9af6e39 100644
--- a/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
+++ b/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
@@ -205,6 +205,7 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
 						.setPartitionFilters(true)
 						.setIndexType(IndexType.kTwoLevelIndexSearch)
 						.setFormatVersion(5)
+						//todo: replace with kxxhash3
 						.setChecksumType(ChecksumType.kxxHash)
 						.setBlockCacheCompressed(optionsWithCache.compressedCache())
 						.setBlockCache(optionsWithCache.standardCache())