# NousResearch/hermes-agent · Windows fs.watch event storm CPU fix

## Open now

- Nothing open on GitHub.

A bug report and two related fixes addressing excessive rename event storms from fs.watch on Windows that pin the main thread at 100% CPU, with mitigations involving polling fallbacks for preview watchers.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #127032. Verify it addresses your case.
- **Recommended:** read PR #127032 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-127032`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #118974: \[Bug\]: Desktop — fs.watch on Windows triggers IOCP/libuv rename event storm pinning main thread at 100% CPU

## Prior & competing PRs

- **#127032: fix(desktop): break win32 fs.watch event storms by falling back to polling**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/electron/main.ts`, `apps/desktop/electron/watch-storm-breaker.test.ts`, `apps/desktop/electron/watch-storm-breaker.ts`
- **#118980: fix(desktop): poll Windows preview watchers**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#127032`

## Fix status

- Merged to main in PR #127032 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-10-01`.