This detailed and expansive post on Kubernetes will give you plenty of information about the features that have made it the most popular container orchestrator.
Canary deployments are a good way to see how a new release will affect end users without the risk. Learn how to carry out a canary deployment in this walkthrough.
This article seeks to give those getting started with Filebeat the tools and knowledge to install, configure, and run it to ship data into the other components in the stack.
Batch tasks are best used for performing aggregate functions on your data. Stream tasks are best used for cases where low latency is integral to the operation.