https://clickhouse-test-reports.s3.yandex.net/18817/9049599e367bcccd809f45af138452f965b3303a/stress_test_(undefined)/test_run.txt.out.log
{
    std::lock_guard lock(shared->storage_policies_mutex);
    return getDiskSelector(lock)->getDisksMap();
}
StoragePoliciesMap Context::getPoliciesMap() const
{
    std::lock_guard lock(shared->storage_policies_mutex);
    return getStoragePolicySelector(lock)->getPoliciesMap();
}
DiskSelectorPtr Context::getDiskSelector(std::lock_guard<std::mutex> & ) const
{
    if (!shared->merge_tree_disk_selector)
    {
        constexpr auto config_name = "storage_configuration.disks";
        const auto & config = getConfigRef();
        shared->merge_tree_disk_selector = std::make_shared<DiskSelector>(config, config_name, *this);
    }
    return shared->merge_tree_disk_selector;
}
StoragePolicySelectorPtr Context::getStoragePolicySelector(std::lock_guard<std::mutex> & lock) const
{
    if (!shared->merge_tree_storage_policy_selector)
    {
        constexpr auto config_name = "storage_configuration.policies";
        const auto & config = getConfigRef();
        shared->merge_tree_storage_policy_selector = std::make_shared<StoragePolicySelector>(config, config_name, getDiskSelector(lock));
    }
    return shared->merge_tree_storage_policy_selector;
}
void Context::updateStorageConfiguration(const Poco::Util::AbstractConfiguration & config)