$ olivine --hostfile jobhistorynodes > olivine.csv

$ olivine --help
A command to fetch hadoop job histories.

Usage:
  olivine [flags]
  olivine [command]

Available Commands:
  help        Help about any command
  plot        Visualize data.
  version     return versions.

Flags:
  -h, --help              help for olivine
      --hostfile string   Specify target hosts from a hostfile. default target is localhost.
      --log string        Specify olivine minimun log level. {trace, debug, info, warn, error, alert} (default "info")
  -p, --port string       Specify the port where target hadoop job history server running on hosts. (default "19888")

Use "olivine [command] --help" for more information about a command.

$ olivine plot -h
Plot data which read from a csv file.

Usage:
  olivine plot [flags]

Flags:
  -c, --csv string    Specify input csv filepath. (default "olivine.csv")
  -h, --help          help for plot
  -s, --save string   Specify output image filename. (default "histories.png")

Global Flags:
      --log string   Specify olivine minimun log level. {trace, debug, info, warn, error, alert} (default "info")