In this post we want to share some features that were created or updated back in 2016. We are currently moving content from our old blog platform so while you might already know these features it is always good to take a fresh look at things. And as we are always upgrading & enhancing features, some of the items have been edited to reflect the current state.
CoreDNS is a DNS server that can also provide service discovery for microservice-based applications. It’s the default DNS server in Kubernetes, providing name resolution and service discovery for the services operating in the cluster. CoreDNS is easily customizable, so you can define how it should act on each request beyond simply executing a DNS lookup.
Logs are unpredictable. Following a production incident, and precisely when you need them the most, logs can suddenly surge and overwhelm your logging infrastructure. To protect Logstash and Elasticsearch against such data bursts, users deploy buffering mechanisms to act as message brokers. Apache Kafka is the most common broker solution deployed together the ELK Stack.
