and CPU limits for the role when resource groups are enabled.</p>
<p>You must have <codeph>SUPERUSER</codeph> privileges to create a resource group. The maximum number of resource groups allowed in your Greenplum Database cluster is 100.</p>
<p>Greenplum Database pre-defines two default resource groups: <codeph>admin_group</codeph>
and <codeph>default_group</codeph>. These group names are reserved.</p>
and <codeph>default_group</codeph>. These group names, as well as the group name <codeph>none</codeph>, are reserved.</p>
<p>
To set appropriate limits for resource groups, the Greenplum Database administrator must
be familiar with the queries typically executed on the system, as well as the users/roles executing those queries.</p>