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E-MapReduce:Billing of resource groups for scheduling

Last Updated:Jul 17, 2026

Resource groups for scheduling are used to schedule and run tasks. When you activate E-MapReduce (EMR) Workflow, a free default resource group for scheduling is provided. You can also purchase paid resource groups if the default one does not meet your requirements. EMR Workflow has been available for commercial use since January 10, 2024.

Billing method

Resource groups for scheduling support the pay-as-you-go billing method.

Billing formula

Fees of a resource group for scheduling = Unit price of resources × Resource quantity × Billing duration

Resource specifications

Default resource group for scheduling

When you first activate EMR Workflow, a free default resource group for scheduling is provided. This resource group is permanently free of charge.

Resource name

Specifications

Resource quantity

Recommended maximum concurrent tasks

emr.w1.small

1 vCPU 2 GiB

2

  • 16 for tasks that are submitted to YARN for running

  • 10 for tasks that are not submitted to YARN for running

Note
  • Tasks submitted to YARN: If you enable the Submit to YARN switch when you configure a workflow, all workflow tasks run on the core or task nodes of an EMR cluster.

  • Tasks not submitted to YARN: If you do not enable the Submit to YARN switch when you configure a workflow, all workflow tasks run directly on the scheduling resource group.

Paid resource groups for scheduling

If the default resource group does not meet your requirements, you can purchase a paid resource group. The following table describes the available specifications.

Resource name

Specifications

Maximum concurrent tasks per node

emr.w1.small

1 vCPU 2 GiB

  • 8 for tasks that are submitted to YARN for running

  • 5 for tasks that are not submitted to YARN for running

emr.w1.medium

2 vCPU 4 GiB

  • 16 for tasks that are submitted to YARN for running

  • 10 for tasks that are not submitted to YARN for running

emr.w1.large

4 vCPU 8 GiB

  • 32 for tasks that are submitted to YARN for running

  • 20 for tasks that are not submitted to YARN for running

Unit price of resources

Important

The prices listed in this topic are for reference only. For actual prices, see the buy page.

Region

Specifications

Unit price (USD per hour)

China (Hangzhou)

China (Shanghai)

China (Shenzhen)

China (Beijing)

emr.w1.small

0.0302

emr.w1.medium

0.0603

emr.w1.large

0.1206

China (Zhangjiakou)

emr.w1.small

0.0211

emr.w1.medium

0.0422

emr.w1.large

0.0845

China (Chengdu)

emr.w1.small

0.0271

emr.w1.medium

0.0543

emr.w1.large

0.1085

China (Hong Kong)

emr.w1.small

0.0480

emr.w1.medium

0.0960

emr.w1.large

0.1920

Singapore

emr.w1.small

0.0435

emr.w1.medium

0.0870

emr.w1.large

0.1740

Malaysia (Kuala Lumpur)

emr.w1.small

0.0477

emr.w1.medium

0.0955

emr.w1.large

0.1910

US (Silicon Valley)

emr.w1.small

0.0393

emr.w1.medium

0.0785

emr.w1.large

0.1570

Germany (Frankfurt)

emr.w1.small

0.0473

emr.w1.medium

0.0945

emr.w1.large

0.1890