Debugging Microservices — Squash vs. Telepresence

Why Is Distributed Debugging Difficult? Finding and debugging any problems in software is hard, but in a distributed application running in Kubernetes, it is even more challenging for the following reasons: Communication between services can be unreliable and asynchronous which makes errors difficult to reproduce. Services often interact with one another at intermittent times, and they can be written in different languages that are all running across several different nodes which makes transactions difficult to step through. Most legacy debugging tools are not designed for distributed systems and the ones that do support microservices live outside of your day to day environment which means you have to do a lot of context switching. Essentially, the main problem with debugging and finding the root cause in a distributed system is being able to recreate the state of the system when the error occurred so that you can get a holistic view.

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This article is related to

performance,microservices,kubernetes,debugging,distributed systems,squash,gitops,telepresence