https://clickhouse-test-reports.s3.yandex.net/8367/333ec2e496f4fe4addd22d5fa7c5c2a499099c57/fuzzer/fuzzer.log#fail1
std::string getTypeName() const override { return "SSDComplexKeyCache"; }
    size_t getBytesAllocated() const override { return 0; } 
    size_t getQueryCount() const override { return storage.getQueryCount(); }
    double getHitRate() const override
    {
        return static_cast<double>(storage.getHitCount()) / storage.getQueryCount();
    }
    size_t getElementCount() const override { return storage.getElementCount(); }
    double getLoadFactor() const override { return storage.getLoadFactor(); }
    bool supportUpdates() const override { return false; }
    std::shared_ptr<const IExternalLoadable> clone() const override
    {
        return std::make_shared<SSDComplexKeyCacheDictionary>(getDictionaryID(), dict_struct, source_ptr->clone(), dict_lifetime, path,
                max_partitions_count, file_size, block_size, read_buffer_size, write_buffer_size, max_stored_keys);
    }
    const IDictionarySource * getSource() const override { return source_ptr.get(); }