logstash/docs/reference/logstash-monitoring-ui.md

mapped_pages
https://www.elastic.co/guide/en/logstash/current/logstash-monitoring-ui.html

Monitoring UI [logstash-monitoring-ui]

Use the {{stack}} {{monitor-features}} to view metrics and gain insight into how your {{ls}} deployment is running. In the overview dashboard, you can see all events received and sent by Logstash, plus info about memory usage and uptime:

Then you can drill down to see stats about a specific node:

::::{note} A {{ls}} node is considered unique based on its persistent UUID, which is written to the path.data directory when the node starts. ::::

Before you can use the monitoring UI, configure Logstash monitoring.

For information about using the Monitoring UI, see {{monitoring}} in {{kib}}.