Watches support the full Elasticsearch query language, including aggregations. A condition that determines whether or not to execute the actions. You can use simple conditions (always true), or …

Watcher uses the Elasticsearch script infrastructure, which supports inline and stored. Scripts and templates are compiled and cached by Elasticsearch to optimize recurring execution. Autoloading is …

Feb 9, 2026 · Learn how to set up Elasticsearch Watcher for automated log-based alerting, including trigger schedules, input queries, conditions, and action configurations for real-time notifications.

Jul 8, 2023 · Elasticsearch provides a powerful tool called Watcher that allows you to do just that. Watcher is a plugin that helps you automate the monitoring and alerting based on changes in your data.

When Elasticsearch security features are enabled on your cluster, watches are run with the privileges of the user that stored the watches. If your user is allowed to read index a, but not index b, then the …

You can send emails, call third-party webhooks, write documents to an Elasticsearch index, or log messages to the standard Elasticsearch log files. For example, the following action writes a message …

You configure Watcher settings to set up Watcher and send notifications via email, Slack, and PagerDuty. All of these settings can be added to the elasticsearch.yml configuration file, with the …

Jan 11, 2025 · Thus, Watcher is an Elasticsearch monitoring tool that detects changes or anomalies in data and performs automated actions in response, such as notifications. It is used to monitor...

Oct 22, 2025 · Setting up Elastic Stack alerting is crucial for proactively monitoring your data and responding to critical events. This comprehensive guide will walk you through the process of …

May 16, 2025 · This document provides a comprehensive overview of the Example Watches system, a collection of pre-configured Elasticsearch Watcher configurations designed for various monitoring …