Mac dev tools miss file changes or want a restart
fsevents has a per-volume buffer that overflows during big git operations. Apps that rely on file-watch notice immediately.
Try this first
- 1Open Console, filter on fseventsd for overflow messages
- 2Scope watchers to specific folders, not the whole home
- 3Raise ulimit -n for processes that watch many files
- 4Restart fseventsd with sudo killall fseventsd after cleanup
When to bring us in
For a big monorepo: use watchman as the file watcher instead of native fsevents.
See also
- My laptop is suddenly slowThree main suspects: a runaway background process, near-full disk, or a Windows update in progress.
- One specific application is slow for everyoneIf an app is slow for one person: local. For everyone at once: server side or vendor side.
- Opening files from the file server takes minutesOften the server itself is fine and the issue is network routing or stalling DNS resolution.
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