{"repo":"NousResearch/hermes-agent","public_id":"93799","display_label":"FTS write contention from large tool results","summary":"These issues and fixes address database write-lock contention and stall conditions caused by full-text search indexing of large tool results in session storage. The work focuses on bounding or limiting FTS indexing to reduce write amplification and unblock concurrent writers.","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":101720,"merged_at":"2026-09-02T23:33:05+00:00"},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-09-02T23:33:05+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":93799,"pr_number":101720,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-02T23:33:05+00:00"}],"members":[{"kind":"issue","number":93799,"title":"SessionDB write-lock contention stalls concurrent Hermes processes (frequent WAL checkpoints + FTS trigger write amplification)","url":null,"state":"closed"},{"kind":"pr","number":93834,"title":"fix(sessions): prevent large tool results from stalling concurrent writers","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"57162d0cc1","number":0},{"kind":"pr","value":"#101720","number":101720},{"kind":"pr","value":"#101266","number":101266}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":101720,"title":"fix(state): bound FTS indexing for large tool results (salvage #93834)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_state_common.py","hermes_state_schema.py","hermes_state_search.py","tests/test_fts_tool_write_bounds.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}