For an example installation of Prometheus, see Using Prometheus Operator to Scrape the VMware MySQL Operator Metrics. To take advantage of the metrics endpoint, ensure you have a metrics collector in your environment like Prometheus, or Wavefront. Prometheus could be your primary consumer of the metrics, but any monitoring tool can take advantage of the /metrics endpoint. The diagram below shows the architecture of a single-node MySQL instance with MySQL server exporter, where the metrics are exported on port 9104: The exporter queries the MySQL database and provides metrics in the Prometheus format on a /metrics https endpoint (port 9104) on the pod, conforming to the Prometheus HTTP API.
Prometheus sends HTTPS requests to the exporter. Upon initialization, each MySQL pod adds a MySQL server exporter container. The MySQL Server Exporter shares metrics about the MySQL instances. The Prometheus exporter provides an endpoint for Prometheus to scrape metrics from different application services. VMware MySQL Operator uses the MySQL Server Exporter, a Prometheus exporter for MySQL server metrics.
MYSQL EXPORTER METRICS HOW TO
This topic describes how to collect metrics and monitor VMware SQL with MySQL for Kubernetes instances in a Kubernetes cluster.
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