Document the complete troubleshooting process of the high IO issue caused by the VS Code Dev Container extension on Windows, from symptom identification to root cause analysis, ultimately solving the Docker CLI cross-boundary communication bottleneck with dev.containers.executeInWSL as the core solution.
DNS is the entry point for almost all network requests. Resolving a domain name typically takes only tens of milliseconds, but these milliseconds determine which server the subsequent connection will point to, whether it hits a nearby CDN node, and whether it will be hijacked by the ISP or observed by certain intermediate nodes. This article is aimed at ordinary internet users, using a continuous narrative to explain the relationship between DNS and the internet experience.