<ul><li>OpenSearch alerting feature sends notifications when data from one or more indices meets certain customizable conditions.</li><li>Example demonstrates a monitor using Slack as the notification destination to alert on high CPU usage.</li><li>Monitor named 'High CPU Monitor' checks cluster statistics for high CPU usage and sends a Slack notification when conditions are met.</li><li>Includes customizable templates for the alert message and subject, with throttling to control alert frequency.</li></ul>

OpenSearch Alert Monitoring: High CPU Usage Example

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