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    E-MapReduce：View cluster information

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    E-MapReduce：View cluster information

    更新時間：Sep 26, 2023

    This topic describes how to view the list of clusters and details of a cluster within your Alibaba Cloud account.

    Prerequisites

    A cluster is created on the EMR on ACK page. For more information, see Getting started.

    View the list of clusters

    1. Log on to the EMR console. In the left-side navigation pane, click EMR on ACK.

    2. On the EMR on ACK page, view the list of clusters.

      Parameter

      Description

      Cluster ID/Name

      The ID and name of the cluster.

      Cluster Type

      The type of the cluster.

      Status

      The state of the cluster. Valid values:

      • Initializing: The cluster is being created.

      • Running: The cluster is running.

      • Releasing: The cluster is being released. You can release a cluster by clicking Release in the Actions column of the cluster.

      • Initialize Failed: The cluster fails to be initialized. The basic configurations of the cluster are retained, including the cluster name and cluster ID. However, the cluster is unavailable.

        Note

        The configurations are retained in the cluster list for seven days.

      • Release Failed: The cluster fails to be released.

      • Released: The cluster is released. Only the configurations of the cluster are retained. The information about jobs submitted to the cluster is not stored.

      • Abnormal: An error occurs in the cluster.

      Cluster Resource Usage

      The vCPU and memory resources used by the cluster.

      Note

      If you want to view the resource usage of a component, log on to the Container Service for Kubernetes (ACK) console and view the resource usage of the corresponding pod.

      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. The following operations are supported:

    View the details of a cluster

    1. Log on to the EMR console. In the left-side navigation pane, click EMR on ACK.

    2. On the EMR on ACK page, find the cluster whose details you want to view and click the name of the cluster in the Cluster ID/Name column.

    3. On the Cluster Details tab of the page that appears, view the details of the cluster.

      Parameter

      Description

      Cluster Name

      The name of the cluster.

      Cluster ID

      The ID of the cluster.

      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 name of the bucket that you created in the Object Storage Service (OSS) console.

      Cluster Type

      The type of the cluster.

      Product Version

      The version of the cluster.

      VPC

      The ID of the virtual private cloud (VPC) in which the ACK cluster resides.

      Created At

      The time when the cluster was created.

      Cluster Resource Usage

      The vCPU and memory resources used by the cluster.

      Maximum Resource Usage

      The resource quota of the ACK namespace that is associated with the EMR cluster.

      Associate RSS Cluster

      Indicates whether the EMR cluster is associated with a Shuffle Service cluster. Default value: Not Associated.

      You can click Associate Now to associate the EMR cluster with a Shuffle Service cluster.

      Data Lake Formation (DLF)

      Indicates whether DLF is enabled. Default value: Disabled.

      You can click Enable to enable DLF.