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    E-MapReduce:View daily cluster reports and analysis results in the reports

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    E-MapReduce:View daily cluster reports and analysis results in the reports

    Last Updated:Mar 27, 2025

    You can use the health check feature of an E-MapReduce (EMR) cluster to learn the health status of the cluster and resolve issues in the cluster based on suggestions. This can help ensure that the cluster remains in a healthy state.

    Precautions

    • The health diagnostics feature is available only for DataLake, Dataflow, OLAP, DataServing, and custom clusters. For more information, see Create a cluster.

    • Health diagnostics is used to analyze the health status of nodes and services, such as Hive, HDFS, YARN, and ZooKeeper, in a cluster. You can identify issues based on the diagnostic result and troubleshoot the issues based on suggestions.

    View daily cluster reports

    1. Go to the Monitoring and Diagnostics tab.

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

      2. In the top navigation bar, select the region where your cluster resides and select a resource group based on your business requirements.

      3. On the EMR on ECS page, find the desired cluster and click the name of the cluster in the Cluster ID/Name column.

      4. On the page that appears, click the Monitoring and Diagnostics tab.

    2. On the Monitoring and Diagnostics tab, click the Daily Cluster Reports subtab. You can view the list of health check reports of the cluster.

      On the Daily Cluster Reports tab, the Health Status column displays the health status of the cluster.

      The following table describes the health status that corresponds to each score range.

      Score range

      Description

      0 <= x <= 60

      The cluster is in an unhealthy state. Resolve issues in the cluster at the earliest opportunity.

      60 < x <= 80

      The cluster is in a sub-healthy state. We recommend that you optimize the cluster.

      80 < x <= 100

      The cluster is in a healthy state and no issues need to be resolved.

      Note

      The score indicates the health status of the cluster. Valid values range from 0 to 100.

    3. View the details of a daily cluster report.

      Click View Report in the Actions column of a report to view the details of the report for the cluster.

      This page displays an overview of the cluster health status and the basic information about the report, such as the health score, cluster ID, report ID, and diagnostics time. The diagnostic items and an analysis overview of the diagnostic items displayed on this page vary based on the type of the cluster. The analysis overview provides a summary of the cluster issues and directly displays the issues. You can refer to the details of diagnostic items to obtain analysis results of a specific issue.