MariaDB MaxScale 2.2 コマンドラインオプション

```
# maxscale --help

Usage : maxscale [OPTION]...

  -c, --config-check          validate configuration file and exit
  -e, --export-config=FILE    export configuration to a single file
  -d, --nodaemon              enable running in terminal process
  -f, --config=FILE           relative or absolute pathname of config file
  -l, --log=[file|shm|stdout] log to file, shared memory or stdout
                              (default: file)
  -L, --logdir=PATH           path to log file directory
  -A, --cachedir=PATH         path to cache directory
  -B, --libdir=PATH           path to module directory
  -C, --configdir=PATH        path to configuration file directory
  -D, --datadir=PATH          path to data directory,
                              stores internal MaxScale data
  -E, --execdir=PATH          path to the maxscale and other executable files
  -F, --persistdir=PATH       path to persisted configuration directory
  -M, --module_configdir=PATH path to module configuration directory
  -H, --connector_plugindir=PATH
                              path to MariaDB Connector-C plugin directory
  -N, --language=PATH         path to errmsg.sys file
  -P, --piddir=PATH           path to PID file directory
  -R, --basedir=PATH          base path for all other paths
  -U, --user=USER             user ID and group ID of specified user are used to
                              run MaxScale
  -s, --syslog=[yes|no]       log messages to syslog (default:yes)
  -S, --maxlog=[yes|no]       log messages to MaxScale log (default: yes)
  -G, --log_augmentation=0|1  augment messages with the name of the function
                              where the message was logged (default: 0)
  -p, --passive               start MaxScale as a passive standby
  -g, --debug=arg1,arg2,...   enable or disable debug features. Supported arguments:
   disable-module-unloading   disable module unloading at exit. Will produce better
                              Valgrind leak reports if leaked memory was allocated in
                              a shared library
   enable-module-unloading    cancels disable-module-unloading
   redirect-output-to-file    redirect stdout and stderr to the file given as an argument
   enable-statement-logging   enable the logging of SQL statements sent by MaxScale to the servers
   disable-statement-logging   disable the logging of SQL statements sent by MaxScale to the servers
  -v, --version               print version info and exit
  -V, --version-full          print full version info and exit
  -?, --help                  show this help

Defaults paths:
  config file       : /etc/maxscale.cnf
  configdir         : /etc
  logdir            : /var/log/maxscale
  cachedir          : /var/cache/maxscale
  libdir            : /usr/lib64/maxscale
  datadir           : /var/lib/maxscale
  execdir           : /usr/bin
  language          : /var/lib/maxscale
  piddir            : /var/run/maxscale
  persistdir        : /var/lib/maxscale/maxscale.cnf.d
  module configdir  : /etc/maxscale.modules.d
  connector plugins : /var/lib/plugin

If '--basedir' is provided then all other paths, including the default
configuration file path, are defined relative to that. As an example,
if '--basedir /path/maxscale' is specified, then, for instance, the log
dir will be '/path/maxscale/var/log/maxscale', the config dir will be
'/path/maxscale/etc' and the default config file will be
'/path/maxscale/etc/maxscale.cnf'.

MaxScale documentation: https://mariadb.com/kb/en/mariadb-enterprise/mariadb-maxscale-21/
```