6 Things to Know About WSL2 and 16GB RAM
16GB is enough for typical development work Running a few containers, compiling code, and editing in VS Code works fine on 16GB with WSL2.
WSL2 uses dynamic memory allocation By default, WSL2 can use up to 50% of your host RAM (8GB on a 16GB system), which is plenty for most workloads.
Lightweight workloads run smoothly A Node/React app, Python server, Postgres container, and a couple of terminals fit comfortably within that 8GB allocation.
Heavy containers will push your limits Running multiple memory-hungry containers like Elasticsearch, Redis, or a full Kubernetes cluster can quickly exhaust available RAM.
Large compilation jobs are risky Compiling big C++ or Rust projects with parallel jobs, or running aggressive Linux disk caching, can fill up the 8GB WSL2 allocation.
Watch for 95% memory usage as your warning sign If Task Manager consistently shows near-full memory usage, that is your cue to upgrade to 32GB. Otherwise, 16GB gets the job done.