Deep dives
Memory in a long-lived single page app
The bug report says "it gets slow after a few hours". That is a leak, and the heap snapshot will name it.
Archive
July 2025
3 posts
Performance
The quarterly budget review, in twenty minutes
Four numbers, one trend line each, and a decision about whether to move the tripwire. That is the whole meeting.
Performance
The real cost of adding a dependency
Kilobytes are the cheapest part. The expensive part arrives eighteen months later, on a Friday.