Chapter 18. ID Views

ID views enable you to specify new values for POSIX user or group attributes, as well as to define on which client host or hosts the new values will apply.

For example, you can use ID views to:

Applying an ID view can have a negative impact on SSSD performance, because certain optimizations and ID views cannot run at the same time. For example, ID views prevent SSSD from optimizing the process of looking up groups on the server:

This negative effect mostly becomes apparent when the SSSD cache is empty or after clearing the cache, which makes all entries invalid.

ID views also have several use cases in environments involving Active Directory. For details, see the Migrate from Synchronization to Trust Manually Using ID Views chapter in the Windows Integration Guide.