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E-MapReduce:View cluster information

Last Updated:Dec 04, 2025

This topic describes how to view information about the clusters in your account.

Prerequisites

An EMR on ACK cluster has been created. For more information, see Quick Start.

View the cluster list

  1. Log on to the EMR on ACK console.

  2. On the EMR on ACK page, view the cluster list.

    Parameter

    Description

    Cluster ID/Name

    The ID and name of the cluster.

    Cluster Type

    The type of the cluster.

    Status

    The status of the cluster:

    • Initializing: The cluster is being created.

    • Running: The cluster is running normally.

    • Releasing: The cluster is being released. This status is entered after you click the Release button for the cluster.

    • Initialization Failed: The cluster failed to initialize. Basic configuration information, such as the cluster name and ID, is retained. However, the cluster is unavailable.

      Note

      The configuration information is retained in the cluster list for seven days.

    • Release Failed: The cluster failed to be released.

    • Released: The cluster is released. Only cluster configuration is retained. Job information is not saved.

    • Abnormal: The cluster is in an abnormal state.

    Cluster Resource Usage

    The CPU and memory usage of the cluster.

    Note

    To view the resource consumption of components, go to the Container Service for Kubernetes (ACK) console and view the resource usage of the corresponding pods.

    ACK Cluster

    The name of the ACK cluster.

    Namespace

    The namespace of the ACK cluster.

    Created At

    The time when the cluster was created.

    Actions

    The operations that you can perform on the cluster:

View cluster details

  1. Log on to the EMR on ACK console.

  2. On the EMR on ACK page, click the name of the cluster that you want to view.

  3. On the Cluster Details page, you can view the following information.

    Parameter

    Description

    Cluster Name

    The name of the cluster created in EMR on ACK.

    Cluster ID

    The ID of the cluster created in EMR on ACK.

    ACK Cluster / Number Of Dedicated Nodes

    The name of the ACK cluster and the number of dedicated nodes.

    Namespace

    The namespace of the ACK cluster.

    OSS Bucket

    The bucket created in the Object Storage Service (OSS) console.

    Cluster Type

    The type of the cluster.

    Product Version

    The version information of the product.

    VPC

    The VPC information of the ACK cluster.

    Creation At

    The time when the cluster was created.

    Cluster Resource Usage

    The CPU and memory usage of the cluster.

    Maximum Resource

    The value of the ResourceQuota property for the ACK namespace that corresponds to the EMR cluster.

    Associated ShuffleService

    The association status of ShuffleService. The default status is Not Associated.

    To associate a ShuffleService, click Associate.

    Data Lake Formation (DLF)

    The status of Data Lake Formation (DLF). The default status is Disabled.

    To enable DLF, click Enable.