```
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] [                                                                                                                                                                                                                                        <=>               ]
```

const auto topic_config_key = config_prefix + "_" + topic;
        if (config.has(topic_config_key))
            loadFromConfig(conf, config, topic_config_key);
    }
    
    conf.set_log_callback([this](cppkafka::KafkaHandleBase &, int level, const std::string & facility, const std::string & message)
    {
        auto [poco_level, client_logs_level] = parseSyslogLevel(level);
        LOG_IMPL(log, client_logs_level, poco_level, "[rdk:{}] {}", facility, message);
    });
    
    
    
    
    {
        
        void * self = static_cast<void *>(this);
        int status;
        status = rd_kafka_conf_interceptor_add_on_new(conf.get_handle(),
            "init", StorageKafkaInterceptors::rdKafkaOnNew, self);
        if (status != RD_KAFKA_RESP_ERR_NO_ERROR)
            LOG_ERROR(log, "Cannot set new interceptor due to {} error", status);
        
        status = rd_kafka_conf_interceptor_add_on_conf_dup(conf.get_handle(),
            "init", StorageKafkaInterceptors::rdKafkaOnConfDup, self);
        if (status != RD_KAFKA_RESP_ERR_NO_ERROR)
            LOG_ERROR(log, "Cannot set dup conf interceptor due to {} error", status);
    }
}
bool StorageKafka::checkDependencies(const StorageID & table_id)