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Alarm Policies (Cloud Monitor)

Last updated: 2022-02-11 16:58:45

    This document describes how to create alarm policies and associate alarm objects in the Cloud Monitor console.

    Overview

    You can create alarm policies to trigger alarms and send alarm notifications when the Tencent Cloud service status changes. The created alarm policies can determine whether an alarm needs to be triggered according to the difference between the monitoring metric value and the given threshold at intervals.
    You can take appropriate precautionary or remedial measures in a timely manner when the alarm is triggered by changed product status. Therefore, properly created alarm policies can help you improve the robustness and reliability of your applications. For more information on alarms, see Creating Alarm Policy in Cloud Monitor.

    To send an alarm for a specific status of a product, you need to create an alarm policy at first. An alarm policy is composed of three compulsory components, that is, the name, type and alarm triggering conditions. Each alarm policy is a set of alarm triggering conditions with the logical relationship "or", that is, as long as one of the conditions is met, an alarm will be triggered. The alarm will be sent to all users associated with the alarm policy. Upon receiving the alarm, the user can view the alarm and take appropriate actions in time.

    Note:

    Make sure that you have set the default alarm recipient; otherwise, the default alarm policy of TencentDB won't be able to send notifications.

    Directions

    Creating alarm policy

    1. Log in to the CM console and select Alarm Configuration > Alarm Policy on the left sidebar.
    2. In the alarm policy list, click Create.
    3. On the Create Alarm Policy page, set the policy name, policy type, alarm object, and trigger condition.
      • Policy Type: select TencentDB > TDSQL-C > MySQL.
      • Alarm Object: the instance to be associated with the policy alarm. You can locate the target instance by selecting the region where it is located or searching for its ID.
      • Trigger Condition: an alarm trigger is a semantic condition composed of metric, comparison, threshold, statistical period, and duration. For example, if the metric is disk utilization, the comparison is >, the threshold is 80%, the statistical period is 5 minutes, and the duration is two statistical periods, then the data on disk utilization of a database will be collected once every five minutes, and an alarm will be triggered if the disk utilization exceeds 80% for two consecutive times.
      • Configure Alarm Notification: you can select a preset or custom notification template. Each alarm policy can be bound to three notification templates at most. For more information, see Creating Notification Template.
    4. After confirming that everything is correct, click Complete.

    Associating alarm objects

    After the alarm policy is created, you can associate alarm objects with it. When an alarm object satisfies an alarm trigger condition, an alarm notification will be sent.

    1. In the alarm policy list, click the name of an alarm policy to enter the alarm policy management page.
    2. Click Alarm Object > Add Object on the alarm policy management page.
    3. In the pop-up window, select the target alarm object and click OK to associate it with the alarm policy.
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