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With HAProxy, you can implement a circuit breaker to protect services from widespread failure. Martin Fowler, who is famous for being one of the Gang of Four authors who wrote Design Patterns: Elements of Reusable Object-Oriented Software, hosts a website where he catalogues software design patterns. He defines the Circuit Breaker pattern like this: The basic idea behind the circuit breaker is very simple. You wrap a protected function call in a circuit breaker object, which monitors for failures.

In my ongoing Loki how-to series, I have already shared all the best tips for creating fast filter queries that can filter terabytes of data in seconds. In this installment, I’ll reveal how to correctly escape special characters within a string in Loki’s LogQL. When writing LogQL queries, you may have realized that in multiple places you have to write strings delimited by double quotes.

This article was originally published on InfoQ at December 3rd 2020. If you’ve migrated from a monolith to a microservices architecture you probably experienced it: Modern systems today are far more complex to monitor. Microservices combined with containerized deployment results in highly dynamic systems with many moving parts across multiple layers.

Happy New Year everyone! We are thrilled to be starting 2021 with some exciting news. Come February 2nd, we’ll be kicking off Azure Management Talk, a bite-sized webinar series with a focus on all things Azure management. Azure is fast-evolving, and often, it can get quite complicated. With so many things to learn and not enough time, the huge swathes of learning resources available online can quickly get overwhelming.