**Describe the situation**

```
SELECT * FROM test.hits INTO OUTFILE 'dump.csv' FORMAT CSV

8873898 rows in set. Elapsed: 32.487 sec. Processed 8.87 million rows, 8.46 GB (273.15 thousand rows/s., 260.42 MB/s.)
```

is bounded by single CPU core. Too slow :(
("verbose", "print query and other debugging info")
        ("multiline,m", "multiline")
        ("multiquery,n", "multiquery")
        ("suggestion_limit", po::value<int>()->default_value(10000),
            "Suggestion limit for how many databases, tables and columns to fetch.")
        ("format,f", po::value<std::string>(), "default output format")
        ("vertical,E", "vertical output format, same as --format=Vertical or FORMAT Vertical or \\G at end of command")
        ("highlight", po::value<bool>()->default_value(true), "enable or disable basic syntax highlight in interactive command line")
        ("ignore-error", "do not stop processing in multiquery mode")
        ("stacktrace", "print stack traces of exceptions")
        ("hardware-utilization", "print hardware utilization information in progress bar")
        ("print-profile-events", po::value(&profile_events.print)->zero_tokens(), "Printing ProfileEvents packets")
        ("profile-events-delay-ms", po::value<UInt64>()->default_value(profile_events.delay_ms), "Delay between printing `ProfileEvents` packets (-1 - print only totals, 0 - print every single packet)")
    ;
    addOptions(options_description
    parseAndCheckOptions(options_description, options, common_arguments
    po::notify(options
    if (options.count("version") || options.count("V"))
    {
        showClientVersion(
        exit(0
    }
    if (options.count("version-clean"))
    {
        std::cout << VERSION_STRING;
        exit(0
    }
    /// Output of help message.
    if (options.count("help")
        || (options.count("host") && options["host"].as<std::string>() == "elp")) /// If user writes -help instead of --help.