{"repo":"NousResearch/hermes-agent","public_id":"98084","display_label":"Reduce per-server Python watchdog process overhead","summary":"These items address a performance concern where one parent-death supervisor (watchdog) process was being spawned per stdio MCP server, proposing to consolidate to one per process instead. The goal is to reduce fixed RSS and process count overhead.","subsystem":null,"counts":{"members":3,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":101598,"merged_at":"2026-09-02T20:54:07+00:00"},"resolution":{"state":"resolved","by":"pr-101598"},"freshness":{"state":"verified","last_verified_at":"2026-09-02T20:54:07+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":1.0},"fix_edges":[{"issue_number":61059,"pr_number":101598,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-02T20:54:07+00:00"},{"issue_number":81880,"pr_number":101598,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-02T20:54:07+00:00"},{"issue_number":98084,"pr_number":101598,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-02T20:54:07+00:00"}],"members":[{"kind":"issue","number":98084,"title":"Reduce fixed RSS from one Python MCP watchdog per stdio server","url":null,"state":"closed"},{"kind":"pr","number":93517,"title":"perf(mcp): one parent-death supervisor per process instead of one per stdio server","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"21c8fae0b8","number":0},{"kind":"commit","value":"4d04a47471","number":0},{"kind":"pr","value":"#101598","number":101598},{"kind":"pr","value":"#98084","number":98084}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":101598,"title":"perf(mcp): one parent-death supervisor per process instead of one per stdio server (salvage #93517)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tests/tools/test_mcp_death_supervisor.py","tests/tools/test_mcp_stdio_watchdog.py","tools/browser_tool.py","tools/mcp_death_supervisor.py","tools/mcp_stdio_watchdog.py","tools/mcp_tool.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}