How to Change the Data Collection Interval in vCAC 6?

The time required for data collection to complete depends on several factors, including the capacity of the compute resource and the number of machines on the compute resource or endpoint, current system, and network load, among other variables. The performance scales at a different rate for different types of data collection.
Each type of data collection has a default interval that can be overridden or modified. Infrastructure administrators can manually initiate data collection for infrastructure source endpoints and fabric
administrators can manually initiate data collection for compute resources. The following values are the default intervals for data collection.

 How to change this Setting and how to manually trigger the data collection:-
Login with Fabric-admin > Infrastructure Tab > Compute Resources > Compute Resources and then follow the procedure given below:-
You need to trigger this data collection in many cases like i faced few issues recently and those were
1. Datastores are not visible for the Reservation
2. Snapshot of the VM was not visible for the blueprint.