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模块命令行说明：

  1. gs_dbmind component forecast --help
  1. usage: forecast.py [-h] -c DIRECTORY [--metric-name METRIC_NAME] [--host HOST]
  2.                    [--labels LABELS] [--start-time TIMESTAMP_IN_MICROSECONDS]
  3.                    [--end-time TIMESTAMP_IN_MICROSECONDS]
  4.                    [--retention-days DAYS] [--upper UPPER] [--lower LOWER]
  5.                    [--warning-hours WARNING-HOURS]
  6.                    [--csv-dump-path CSV_DUMP_PATH]
  7.                    {show,clean,early-warning}
  9. Workload Forecasting: Forecast monitoring metrics
  11. positional arguments:
  12.   {show,clean,early-warning}
  13.                         Choose a functionality to perform
  15. optional arguments:
  16.   -h, --help            show this help message and exit
  17.   -c DIRECTORY, --conf DIRECTORY
  18.                         Set the directory of configuration files
  19.   --metric-name METRIC_NAME
  20.                         Set a metric name you want to retrieve
  21.   --host HOST           Set a host you want to retrieve. IP only or IP with
  22.                         port.
  23.   --labels LABELS       A list of label (format is label=name) separated by
  24.                         comma(,). Using in warning.
  25.   --start-time TIMESTAMP_IN_MICROSECONDS
  26.                         Set a start time for retrieving, supporting UNIX-
  27.                         timestamp with microsecond or datetime format
  28.   --end-time TIMESTAMP_IN_MICROSECONDS
  29.                         Set an end time for retrieving, supporting UNIX-
  30.                         timestamp with microsecond or datetime format
  31.   --retention-days DAYS
  32.                         Clear historical diagnosis results and set the maximum
  33.                         number of days to retain data
  34.   --upper UPPER         The upper value of early-warning. Using in warning.
  35.   --lower LOWER         The lower value of early-warning. Using in warning.
  36.   --warning-hours WARNING-HOURS
  37.                         warning length, unit is hour.
  38.   --csv-dump-path CSV_DUMP_PATH
  39.                         Dump the result CSV file to the path if it is
  40.                         specified. Use in warning.