Documenting the complete troubleshooting process for the high IO usage issue caused by VS Code Dev Container extensions on Windows, from phenomenon identification to root cause analysis, ultimately resolving 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.