File Based Group Provider#
Presto can map user names onto groups for easier access control and resource group management. Group file resolves group membership using a file on the coordinator.
Group File Configuration#
Enable group file by creating an
file on the coordinator:
The following configuration properties are available:
Path of the group file.
How often to reload the group file.
The group file contains a list of groups and members, one per line, separated by a colon. Users are separated by a comma.