Dashboard idle CPU usage and resource leak fixes
Cluster 42627 · dashboard. Data as of
Nothing open on GitHub. Fix merged in #86754 on 15 Aug 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #86754. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
unresolved. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A reported bug about the dashboard consuming excessive CPU while idle, and two fixes addressing the root causes: adding back-off to the PTY pump loop and cleaning up orphaned embedded-chat sessions to prevent worker leaks.
Open issues0
Open PRs0
Fixes on record
-
#86754 perf(desktop/dashboard): salvage idle & polling CPU fixes — unfocused UI pause, sidebar scan bounds, pet poll, PTY back-off, kanban WS zombie reap
files:
apps/desktop/src/app/contrib/hooks/use-background-sync.test.ts,apps/desktop/src/app/contrib/hooks/use-background-sync.ts,apps/desktop/src/app/shell/hooks/use-status-snapshot.test.ts,apps/desktop/src/app/shell/hooks/use-status-snapshot.ts,apps/desktop/src/components/assistant-ui/thread/status.test.tsx,apps/desktop/src/components/chat/activity-timer.test.tsx,apps/desktop/src/components/chat/activity-timer.ts,apps/desktop/src/hooks/use-viewed-interval.ts,apps/desktop/src/lib/statusbar.tsx,contributors/emails/[redacted:email],contributors/emails/[redacted:email],contributors/emails/{ID}+{username}@users.noreply.github.com,hermes_cli/web_routers/profiles.py,hermes_cli/web_server.py,plugins/kanban/dashboard/plugin_api.py,tests/hermes_cli/test_cron_profile_enumeration_lightweight.py,tests/hermes_cli/test_profiles_sidebar_cache.py,tests/hermes_cli/test_web_server_pty_idle_backoff.py,tests/plugins/test_kanban_ws_idle_disconnect.py,ui-tui/src/__tests__/petPolling.test.ts(+2 more)
1 PR closed without merging
From the close comments: merged via another change 1
-
#81755 fix(dashboard): add idle back-off to PTY pump loop · merged via another change →
#86754
Closed issues · 1
- Closed#42627[Bug] Dashboard consumes 20-50% CPU constantly when idle
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- dashboard
- Merged PRs
- #86754
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 15 Aug 2026