29.12.22.1 The disk_forecast Table

The disk_forecast table holds predictions of disk storage levels based on the time series values in disk_metric. In addition to providing storage predictions, it also serves as a data source for validating and tuning the forecast algorithm.

The disk_forecast table has the following columns:

  • TIMESTAMP: Date and time the forecast was generated.

  • PREDICTION_TIME: Date and time of the predicted disk level.

  • HORIZON_MINUTES: Forecast horizon in minutes.

  • VOLUME_SIZE_MB: Block volume size (MiB).

  • FORECAST_MB: Predicted used disk space (MiB).

  • CI_LOWER_MB: Lower bound of the 95% confidence interval (MiB)

  • CI_UPPER_MB: Upper bound of the 95% confidence interval (MiB)