```
ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(_path, 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C01GiB 0:01:08 [ 129MiB/s] [                                                                                                                                                                   <=>                                                                                    ]

ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(toLowCardinality(_path), 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C46GiB 0:00:48 [ 175MiB/s] [                                                                                                                                                                                                                                        <=>               ]
```

{
    StorageS3Configuration configuration;
    if (auto named_collection = getURLBasedDataSourceConfiguration(engine_args, local_context))
    {
        auto [common_configuration, storage_specific_args] = named_collection.value();
        configuration.set(common_configuration);
        for (const auto & [arg_name, arg_value] : storage_specific_args)
        {
            if (arg_name == "access_key_id")
                configuration.access_key_id = arg_value->as<ASTLiteral>()->value.safeGet<String>();
            else if (arg_name == "secret_access_key")
                configuration.secret_access_key = arg_value->as<ASTLiteral>()->value.safeGet<String>();
            else
                throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
                    "Unknown key-value argument `{}` for StorageS3, expected: url, [access_key_id, secret_access_key], name of used format and [compression_method].",
                    arg_name);
        }
    }