Field notes

Notes.

Short explanations of the details that are easy to skip: what a limit actually bounds, what a buffer actually stores, and which assumptions deserve a closer look.

01
Systems / Field note

Concurrency needs a budget.

Active work, waiting work, and why limiting one does not automatically bound the other.

02
Memory / Field note

The bytes are only the beginning.

A buffer stores bytes. Layout, types, and interpretation give those bytes meaning.