• MapReduce Service

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  3. User Guide
  4. MRS Manager Operation Guide
  5. Tenant Management
  6. Configuring a Queue

Configuring a Queue

Scenario

On MRS Manager, you can modify queue configurations for a specific tenant.

Prerequisites

A tenant associated with Yarn and allocated with dynamic resources has been added.

Procedure

  1. On MRS Manager, click Tenant.
  2. Click the Dynamic Resource Plan tab.
  3. Click the Queue Configuration tab.
  4. In the tenant queue table, click Modify in the Operation column of the specified tenant queue.

    NOTE:

    In the tenant list on the left of the Tenant Management tab, click the target tenant. In the displayed window, choose Resource. On the displayed page, click  to open the queue configuration modification page.

    Table 1 Queue configuration parameters

    Parameter

    Description

    Maximum Applications

    Specifies the maximum number of applications. The value ranges from 1 to 2147483647.

    Maximum AM Resource Percent

    Specifies the maximum percentage of resources that can be used to run ApplicationMaster in a cluster. The value ranges from 0 to 1.

    Minimum User Limit Percent (%)

    Specifies the minimum percentage of user resource usage. The value ranges from 0 to 100.

    User Limit Factor

    Specifies the limit factor of the maximum user resource usage. The maximum percentage of user resource usage can be calculated by multiplying the limit factor with the percentage of the tenant's actual resource usage in the cluster. The minimum value is 0.

    State

    Specifies the current status of a resource plan. The values are Running and Stopped.

    Default Resource Pool (Default Node Label Expression)

    Specifies the resource pool used by a queue. The default value is Default. If you want to change the resource pool, configure the queue capacity first. For details, see Configuring the Queue Capacity Policy of a Resource Pool.