WSL2 Is Slow? Fix /mnt/c/ File System Performance & Go Latency

Sun, 29 Mar 2026 22:30:00 +0530

WSL2 (Windows Subsystem for Linux) has been a godsend for developers who love Linux tools but need/have a Windows environment. But for Go developers, WSL2 isn’t just a “transparent layer”. If configured incorrectly, it becomes the bottleneck that can slow down builds by 3x and introduce mysterious latency in networked services.

This isn’t a failure of WSL2; it’s a failure of understanding the 9p boundary.

Glossary // What is the 9P Boundary?

WSL2 is a Virtual Machine. To let that VM see your Windows files, Microsoft uses the 9P protocol (Plan 9).

How to Install Docker Desktop on Another Drive in Windows

Sat, 27 Jan 2024 13:11:47 +0000

Docker Desktop on Windows installs to your C: drive by default. When you pull large images (often 1.5GB each), add build layers, and stack containers, the ext4.vhdx file that holds all your container data bloats fast. This guide shows you how to route Docker to a secondary drive entirely, using CLI flags instead of the GUI.

Quick Start

Uninstall any existing Docker first. Then open PowerShell as admin and navigate to your Downloads folder where the installer is. Run:

Windows on Lorbic

WSL2 Is Slow? Fix /mnt/c/ File System Performance & Go Latency

How to Install Docker Desktop on Another Drive in Windows

Quick Start