Alibaba Cloud Elasticsearch provides the node visualization feature. You can use this feature to view the information of all the nodes in your Elasticsearch cluster on a node diagram.

Access the Node Visualization tab

  1. Log on to the Alibaba Cloud Elasticsearch console.
  2. In the top navigation bar, select the region where your Alibaba Cloud Elasticsearch cluster resides.
  3. Find the target cluster and click its ID.
  4. On the Basic Information page, click the Node Visualization tab.

View node status

On the Data Visualization tab, you can view the color of each node in the cluster and check whether the nodes in a cluster are healthy based on their colors.Cluster node status
Note The color of a node is determined by the resource usage of the node. The resource usage thresholds are the same as those in CloudMonitor. For more information, see Cluster monitoring
  • Red: Warning.
  • Yellow: Alert.
  • Green: Normal.
  • Gray: Unknown. This state indicates that the system has failed to retrieve the node information for a long period of time.

View cluster status

  1. Access the Node Visualization tab. For more information, see Access the Node Visualization tab.
  2. Move the pointer to Cluster.
  3. In the message that appears, view the Status of the cluster.
    View cluster status

View the cluster diagnosis report

  1. Access the Node Visualization tab. For more information, see Access the Node Visualization tab.
  2. Move the pointer to Cluster.
  3. Click Intelligent Maintenance.
  4. On the Intelligent Maintenance page, you can view the cluster diagnosis report.
    For more information about how to view the cluster diagnosis report, see Intelligent Maintenance.

View node information

  1. Access the Node Visualization tab. For more information, see Access the Node Visualization tab.
  2. Move the pointer to a node.
  3. In the dialog box that appears, view the information of the node.
    View node information
    Note If a node is in red or yellow color, the system displays the The node is disconnected, and we recommend that you use Intelligent Maintenance message. If a node is in gray color, the system displays the The node status is unhealthy, and we recommend that you use Intelligent Maintenance message. You can click Intelligent Maintenance in the message and choose Intelligent Maintenance > Cluster Diagnosis in the left-side navigation pane of the page that appears to diagnose the cluster. For more information, see Intelligent Maintenance.

Restart a node

  1. Access the Node Visualization tab. For more information, see Access the Node Visualization tab.
  2. Move the pointer to a node.
  3. Click Restart.
  4. In the Restart dialog box, set parameters.
    For more information, see Restart a cluster or node.