Monitor and troubleshoot Consul with Prometheus

The article provides a comprehensive guide on monitoring and troubleshooting HashiCorp's Consul using Prometheus, detailing installation in Kubernetes via Helm, configuration for Prometheus metrics exposure, and various strategies for assessing the health and stability of Consul servers. Key topics include using PromQL queries to monitor server health, leadership changes, transaction latency, memory consumption, and network load, as well as setting up alerts for anomalies and high resource usage. The piece also highlights the importance of maintaining a stable leadership structure within Consul clusters to prevent network issues, and it offers practical advice on creating alerts for potential problems such as high garbage collection pauses and RPC request rate limits. The guide concludes by encouraging readers to try Sysdig Monitor's Managed Prometheus service for enhanced monitoring capabilities.

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