Configuring the MapReduce Cluster Administrator List

Scenario

This function is used to specify the MapReduce cluster administrator.

The cluster administrator list is specified by mapreduce.cluster.administrators. The cluster administrator admin has all operation permissions.

Configuration

On the All Configurations page of the MapReduce service, enter a parameter name in the search box. For details, see Modifying Cluster Service Configuration Parameters.

**Table 1** Parameter description
Parameter	Description	Default Value
mapreduce.cluster.acls.enabled	Whether to enable permission control on Job History Server.	true
mapreduce.cluster.administrators	Indicates the administrator list of the MapReduce cluster. You can configure both users and user groups. Multiple users or user groups are separated by commas (,), and users and user groups are separated by spaces, for example, userA,userB groupA,groupB. The value * indicates all users or user groups.	For versions earlier than MRS 3.x: mapred For MRS 3.x or later: mapred supergroup,System_administrator_186