diff --git a/fdbclient/include/fdbclient/FDBTypes.h b/fdbclient/include/fdbclient/FDBTypes.h
index ea728b8f724..c8792a6b857 100644
--- a/fdbclient/include/fdbclient/FDBTypes.h
+++ b/fdbclient/include/fdbclient/FDBTypes.h
@@ -455,10 +455,23 @@ struct KeyValueRef {
 	KeyRef key;
 	ValueRef value;
 	KeyValueRef() {}
+
 	KeyValueRef(const KeyRef& key, const ValueRef& value) : key(key), value(value) {}
-	KeyValueRef(Arena& a, const KeyValueRef& copyFrom) : key(a, copyFrom.key), value(a, copyFrom.value) {}
+
+	KeyValueRef(Arena& a, const KeyRef& key, const ValueRef& value) {
+		StringRef storage = makeString(key.size() + value.size(), a);
+		uint8_t* dst = mutateString(storage);
+
+		key.copyTo(dst);
+		value.copyTo(dst + key.size());
+
+		this->key = KeyRef(storage.begin(), key.size());
+		this->value = ValueRef(storage.begin() + key.size(), value.size());
+	}
+
+	KeyValueRef(Arena& a, const KeyValueRef& copyFrom) : KeyValueRef(a, copyFrom.key, copyFrom.value) {}
+
 	bool operator==(const KeyValueRef& r) const { return key == r.key && value == r.value; }
-	bool operator!=(const KeyValueRef& r) const { return key != r.key || value != r.value; }
 
 	int expectedSize() const { return key.expectedSize() + value.expectedSize(); }
 
diff --git a/fdbserver/kvstore/KeyValueStoreRocksDB.actor.cpp b/fdbserver/kvstore/KeyValueStoreRocksDB.actor.cpp
index 43619e1f456..da6b9c06160 100644
--- a/fdbserver/kvstore/KeyValueStoreRocksDB.actor.cpp
+++ b/fdbserver/kvstore/KeyValueStoreRocksDB.actor.cpp
@@ -1916,9 +1916,11 @@ struct RocksDBKeyValueStore : IKeyValueStore {
 				auto cursor = readIter.iter;
 				cursor->Seek(toSlice(a.keys.begin));
 				while (cursor->Valid() && toStringRef(cursor->key()) < a.keys.end) {
-					KeyValueRef kv(toStringRef(cursor->key()), toStringRef(cursor->value()));
-					accumulatedBytes += sizeof(KeyValueRef) + kv.expectedSize();
-					result.push_back_deep(result.arena(), kv);
+					KeyRef key = toStringRef(cursor->key());
+					ValueRef value = toStringRef(cursor->value());
+
+					accumulatedBytes += sizeof(KeyValueRef) + key.expectedSize() + value.expectedSize();
+					result.emplace_back_deep(result.arena(), key, value);
 					// Calling `cursor->Next()` is potentially expensive, so short-circut here just in case.
 					if (result.size() >= a.rowLimit || accumulatedBytes >= a.byteLimit) {
 						break;
@@ -1949,9 +1951,11 @@ struct RocksDBKeyValueStore : IKeyValueStore {
 					cursor->Prev();
 				}
 				while (cursor->Valid() && toStringRef(cursor->key()) >= a.keys.begin) {
-					KeyValueRef kv(toStringRef(cursor->key()), toStringRef(cursor->value()));
-					accumulatedBytes += sizeof(KeyValueRef) + kv.expectedSize();
-					result.push_back_deep(result.arena(), kv);
+					KeyRef key = toStringRef(cursor->key());
+					ValueRef value = toStringRef(cursor->value());
+
+					accumulatedBytes += sizeof(KeyValueRef) + key.expectedSize() + value.expectedSize();
+					result.emplace_back_deep(result.arena(), key, value);
 					// Calling `cursor->Prev()` is potentially expensive, so short-circut here just in case.
 					if (result.size() >= -a.rowLimit || accumulatedBytes >= a.byteLimit) {
 						break;
diff --git a/fdbserver/kvstore/KeyValueStoreShardedRocksDB.actor.cpp b/fdbserver/kvstore/KeyValueStoreShardedRocksDB.actor.cpp
index 4e0e98fdaf2..890d71351c3 100644
--- a/fdbserver/kvstore/KeyValueStoreShardedRocksDB.actor.cpp
+++ b/fdbserver/kvstore/KeyValueStoreShardedRocksDB.actor.cpp
@@ -1111,9 +1111,11 @@ int readRangeInDb(PhysicalShard* shard,
 		auto* cursor = readIter->iter.get();
 		cursor->Seek(toSlice(range.begin));
 		while (cursor->Valid() && toStringRef(cursor->key()) < range.end) {
-			KeyValueRef kv(toStringRef(cursor->key()), toStringRef(cursor->value()));
-			accumulatedBytes += sizeof(KeyValueRef) + kv.expectedSize();
-			result->push_back_deep(result->arena(), kv);
+			KeyRef key = toStringRef(cursor->key());
+			ValueRef value = toStringRef(cursor->value());
+
+			accumulatedBytes += sizeof(KeyValueRef) + key.expectedSize() + value.expectedSize();
+			result->emplace_back_deep(result->arena(), key, value);
 			// Calling `cursor->Next()` is potentially expensive, so short-circut here just in case.
 			if (result->size() >= rowLimit || accumulatedBytes >= byteLimit) {
 				break;
@@ -1128,9 +1130,11 @@ int readRangeInDb(PhysicalShard* shard,
 			cursor->Prev();
 		}
 		while (cursor->Valid() && toStringRef(cursor->key()) >= range.begin) {
-			KeyValueRef kv(toStringRef(cursor->key()), toStringRef(cursor->value()));
-			accumulatedBytes += sizeof(KeyValueRef) + kv.expectedSize();
-			result->push_back_deep(result->arena(), kv);
+			KeyRef key = toStringRef(cursor->key());
+			ValueRef value = toStringRef(cursor->value());
+
+			accumulatedBytes += sizeof(KeyValueRef) + key.expectedSize() + value.expectedSize();
+			result->emplace_back_deep(result->arena(), key, value);
 			// Calling `cursor->Prev()` is potentially expensive, so short-circuit here just in case.
 			if (result->size() >= -rowLimit || accumulatedBytes >= byteLimit) {
 				break;