https://clickhouse-test-reports.s3.yandex.net/15348/34addcf61f653e50e493ff8d94fab015db91fa59/fuzzer/report.html#fail1
partitions.emplace_front(std::make_unique<SSDComplexKeyCachePartition>(
                        AttributeUnderlyingType::utUInt64, attributes_structure, path,
                        (partitions.empty() ? 0 : partitions.front()->getId() + 1),
                        file_size, block_size, read_buffer_size, write_buffer_size, max_stored_keys));
            }
        }
        collectGarbage();
    };
    size_t not_found_num = 0, found_num = 0;
    
    KeyRefs default_keys;
    PaddedPODArray<SSDComplexKeyCachePartition::Metadata> metadata;
    {
        const ProfilingScopedWriteRWLock write_lock{rw_lock, ProfileEvents::DictCacheLockWriteNs};
        for (const auto & key_found_pair : remaining_keys)
        {
            if (key_found_pair.second)
            {
                ++found_num;
                continue;
            }
            ++not_found_num;
            const auto key = key_found_pair.first;
            if (update_error_count)
            {