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Home > Success Center > Network Performance Monitor (NPM) > NPM 12.3 Administrator Guide > Monitor capacity usage trends on the network and forecast capacity issues

Monitor capacity usage trends on the network and forecast capacity issues

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Created by Caroline Juszczak, last modified by Magdalena.Markova on Nov 03, 2016

Views: 1,112 Votes: 0 Revisions: 5

Capacity forecasting is available for the following metrics of nodes, interfaces, and volumes monitored by SolarWinds NPM:

  • CPU utilization on nodes
  • Memory usage on nodes
  • Space usage on volumes
  • Receive (in) utilization on interfaces
  • Transmit (out) utilization on interfaces

Capacity usage trends are calculated based on historical data. By default, the longest time period taken into account for calculating the capacity forecast is 180 days.

The more historical data up to 180 days are available, the more precise is the calculated forecast.

Forecast calculation methods

  • Peak calculation forecasts trends using daily maximum values. This method is suitable for important devices and connections where it is important to completely avoid reaching a certain usage level (threshold).
  • Average calculation forecasts trends using daily average values. This method is suitable for non-critical network devices or connections where short periods exceeding the threshold level are acceptable.

By default, the forecast calculation method is set globally for all monitored objects. You can also customize the method for individual objects (nodes, interfaces, or volumes).

Requirements

Capacity forecasting is available for nodes, interfaces, and volumes that meet the following requirements:

  • The nodes, interfaces, and volumes must be managed in SolarWinds NPM.
  • You need to have enough historical data in the database. By default, 7 days of data are required.

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