Consul at Datadog | Datadog

This post details Datadog's operational experience with Consul, providing practical recommendations for its deployment and management. It covers server sizing based on CPU requirements to mitigate leadership transitions, the use of git2consul for auditable configuration distribution, the importance of ACLs for security, strategies to prevent self-DDoS from excessive Consul watches using tools like sifter, and optimizations for DNS service discovery with dnsmasq and caching. It also highlights critical monitoring metrics for Consul's health.