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Improving Commit Time When Using Configuration Groups


Configuration groups are used for applying configurations across other hierarchies without re-entering configuration data. Some configuration groups specify every configuration detail. Other configuration groups make use of wildcards to configure ranges of data, without detailing each configuration line. Some configurations have an inheritance path that includes a long string of configurations to be applied.

When a configuration that uses configuration groups is committed, the commit process expands and reads all the configuration data of the group into memory to apply the configurations as intended. The commit performance can be negatively impacted if many configuration groups are being applied, especially if the configuration groups use wildcards extensively.

If your system uses many configuration groups that use wildcards, you can configure the persist-groups-inheritance statement at the [edit system commit] hierarchy level to improve commit time performance.

Using this option allows the system to build the inheritance path for each configuration group inside the database, rather than in the process memory. This can improve commit time performance. However, it can also increase the database size.