fix: dedupe host_silence problems under concurrent scans (0.4.11)

Treat acknowledged as active, dedupe by hostname, add PostgreSQL advisory lock and a unique index. Migration closes existing duplicate open problems. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-03 09:05:28 +10:00
parent 3765d4d476
commit 6c43b8637e
9 changed files with 334 additions and 31 deletions
@@ -65,6 +65,8 @@ SAC_DAILY_REPORT_REQUIRE_ACTIVITY=true
 SAC_HEARTBEAT_STALE_MINUTES=300

 # Проактивный алерт host_silence (без ожидания нового события с хоста)
+# Если включён systemd timer sac-host-silence-scan.timer — лучше SAC_HOST_SILENCE_SCAN_ENABLED=false
+# (иначе scan идёт параллельно из каждого uvicorn worker + timer).
 SAC_HOST_SILENCE_SCAN_ENABLED=true
 SAC_HOST_SILENCE_SCAN_INTERVAL_MINUTES=5