A recommender is a service on Google Cloud that provides usage recommendations for Google Cloud resources. Recommenders are specific to a single Google Cloud product and resource type. A single product can have multiple recommenders, where each provides a different type of recommendation for a different resource.
Recommender has the following recommenders:
|VM machine type recommender||
|Managed instance group machine type recommender||
|Idle VM recommender||
|Idle persistent disk recommender||