:original_name: ddm_03_0052.html

.. _ddm_03_0052:

Viewing Metrics
===============

Scenarios
---------

The DDM console supports monitoring and management of DDM instances. You can tune databases based on real-time monitoring results.

Prerequisites
-------------

-  You have logged in to the DDM console.
-  There is a DDM instance available, which has available schemas.

Procedure
---------

#. In the instance list, locate the DDM instance whose metrics you want to view and click its name.

#. In the navigation pane, choose **Monitoring**.

#. Click **Real-Time Monitoring**.

   If load balancing is enabled for your DDM instance, select a time range to view metrics Inbound Rate, Outbound Rate, Unhealthy Servers, Healthy Servers, Layer-4 Inbound Bandwidth Usage, and Layer-4 Outbound Bandwidth Usage in the monitoring list. If load balancing is not enabled, you have no permissions to view these metrics.

#. Click **View Metric** in the upper right corner.

#. On the Cloud Eye console, view monitoring metrics of the DDM instance.

   a. In the navigation pane, choose **Cloud Service Monitoring** > **Distributed Database Middleware**.
   b. In the instance list, locate the target DDM instance, click |image1| to view instance details, and click **View Metric** in the **Operation** column.
   c. On the displayed page, select the required monitoring period to view metric information.

.. |image1| image:: /_static/images/en-us_image_0000001424936732.png