# NousResearch/hermes-agent · Desktop profile-backend pool CPU and spawn fixes

## Open now

- Nothing open on GitHub.

These issues and PRs address a desktop bug where the profile-backend pool fails to drain properly, causing excessive backend processes, high CPU usage, and app self-restarts. Fixes target unnecessary backend spawning on launch, roster ticks, and bot tile cold-starts.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 2 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #108134. Verify it addresses your case.
- **Recommended:** read PR #108134 (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-108134`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.50`: 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

- #102978: \[Desktop\] Profile-backend pool never drains: 3 slots vs ~60 profiles, long-lived serve/backend processes climb to ~99% CPU, app self-restarts

## Prior & competing PRs

- **#107969: Desktop: open bot tiles no longer cold-start or pin pooled backends from the background (#103375, salvage #103399)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/electron/main.ts`, `apps/desktop/electron/registry-primary-profile-scope.test.ts`, `apps/desktop/src/api/sessions.ts`, `apps/desktop/src/app/contrib/hooks/use-background-sync.test.ts`, `apps/desktop/src/app/contrib/hooks/use-background-sync.ts`, `apps/desktop/src/global.d.ts`, `apps/desktop/src/store/gateway-connection-lifecycle.test.ts`, `apps/desktop/src/store/gateway.ts`
- **#108134: Desktop: Bot Mode no longer spawns or dials a backend per profile on launch and every roster tick (#102978, #99336, #102913)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/src/plugins/hermes-bots/profile-ops.test.ts`, `apps/desktop/src/plugins/hermes-bots/profile-ops.ts`
- **#103522: fix: \[Desktop\] Profile-backend pool never drains: 3 slots vs ~60 profiles, long-lived serve/backend processes climb to ~99% CPU, app self-restarts (#102978)**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `52fb4e0877`, `#107969`, `#102978`, `#108134`

## Fix status

- Merged to main in PR #108134 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-11`.