IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elastic Docs ›Elasticsearch Plugins and Integrations [2.4]
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Alerting Pluginsedit

Alerting plugins allow Elasticsearch to monitor indices and to trigger alerts when thresholds are breached.

Core alerting pluginsedit

The core alerting plugins are:

Watcher
[2.3.0] Deprecated in 2.3.0. The standalone Watcher plugin will be replaced by the X-Pack in 5.0.0. Watcher is the alerting and notification product for Elasticsearch that lets you take action based on changes in your data. It is designed around the principle that if you can query something in Elasticsearch, you can alert on it. Simply define a query, condition, schedule, and the actions to take, and Watcher will do the rest.
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