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Service Monitoring

Last updated: 2022-01-21 18:54:01

    Feature Overview

    Service status provides detailed monitoring for main services installed in the cluster, including HDFS, Yarn, Hive, ZooKeeper, Spark, HBase, and Presto. This document describes how to view cluster service status in the console.

    Directions

    1. Log in to the EMR console and click a cluster ID/name on the Cluster List page to go to the cluster details page.
    2. On the cluster details page, select Cluster Service and click Operation > Service Status in the top right corner of the target component. The following uses HDFS as an example:
    3. The service status page provides monitoring views of three service dimensions, namely, service overview, service summary, and role list. As different service components have different services, the dimensions of display vary.
    4. Service Overview displays six metrics of service components by default and their statistical rules during a specified time period. You can click Set Metric to customize the displayed metrics.

    5. Service Summary displays the current overall status of the service.
    6. Role List displays the service deployment status of each role of the current service component. You can click a node IP to view the monitoring metrics and their statistical rules of the current node. Six metrics are displayed by default.
    7. After entering a node page, you can click Set Metric to customize the displayed metrics.
      Note:

      • Service Monitoring displays the HDFS service component by default. You can manually adjust to view other service components.
      • Service monitoring dimensions vary by service component due to different service types. For example, HBase supports table-level monitoring.
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