2.2. Hardware Recommendations

A basic user entry is about 1 KB in size, as is a simple host entry with a certificate. The most important hardware feature to size properly is RAM. While all deployments are different, depending on the number of users and groups and the type of data stored, there is a rule of thumb to use to help determine how much RAM to use:

The underlying Directory Server instance used by the IdM server can be tuned to increase performance. For tuning information, see the Directory Server documentation.