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Home > Success Center > User Device Tracker (UDT) > User Device Tracker (UDT) Documentation > UDT Administrator Guide > Prepare a SolarWinds User Device Tracker installation > Evaluate UDT server size

Evaluate UDT server size

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Created by Steven Bansil_ret, last modified by Steven Bansil_ret on Jan 13, 2017

Views: 189 Votes: 0 Revisions: 2

SolarWinds UDT can monitor networks from small corporate LANs to large enterprise and service provider networks. Most SolarWinds UDT systems perform well on 3.0 GHz systems with 4 GB of RAM, using default polling engine settings. However, when monitoring larger networks, you should give additional consideration to the hardware used and the system configuration.

There are three primary variables that affect scalability:

  • The number of monitored ports, nodes, and users
  • Polling frequency

When collecting statistics more frequently than the default, the system works harder and system requirements increases.

  • The number of simultaneous users accessing SolarWinds UDT

This directly impacts system performance.

When planning an SolarWinds UDT installation, there are four main factors to keep in mind with respect to polling capacity: CPU, memory, number of polling engines, and polling engine settings. For minimum hardware recommendations, see Requirements for SolarWinds UDT. For more information about polling engines, see Additional Polling Engine and the Web Console.

In most situations, installing SolarWinds UDT and SQL Server on different servers is highly recommended, particularly if you are planning to monitor a high number of ports. If you experience performance problems or you plan to monitor a very large network, you should certainly consider this option. This scenario offers several performance advantages, as the SolarWinds UDT server does not perform any database processing, and it does not have to share resources with SQL Server.

If you plan to monitor 150,000 or more ports, SolarWinds recommends that you install additional polling engines on separate servers to help distribute the work load. For more information about sizing SolarWinds UDT to your network, contact the SolarWinds sales team or visit www.solarwinds.com.

 
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