Introducing policy management
ADX supports performance tuning via policies. These policies allow us to configure individual components of our cluster such as caching, ingestion, and retention. As you may recall from Chapter 2, Building Your Azure Data Explorer Environment, a lot of these settings can be set at the management plane level. The great benefit of policies is that we can configure these individual components without having to authorize contributor access at the management plane level. Administrators of the ADX databases, at the data plane level, can configure these policies.
In this section, we will demonstrate how to configure caching and retention policies using KQL management commands. For a complete list of policies that can be configured, please see the ADX documentation: https://docs.microsoft.com/en-us/azure/data-explorer/kusto/management/. The general syntax for managing policies is the same for all policies, so once you know how to configure one, configuring...
