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Solo.io Squash is a distributed debugger that supports multiple languages. When running in a container environment like Kubernetes, debugging applications can be difficult especially when distributed into multiple containers with implementations in potentially different languages. Istio is a service-mesh implementation that exemplifies this “microservice” architecture by implementing its control plane as a set of services. We can use Solo.io Squash to debug the Istio control plane without any modification to the images (ie, adding debuggers, scripts, etc).