diff --git a/deploy/evolve_forever.sh b/deploy/evolve_forever.sh
index c037206..d444142 100755
--- a/deploy/evolve_forever.sh
+++ b/deploy/evolve_forever.sh
@@ -12,7 +12,9 @@ while true; do
 import sqlite3
 try:
     c = sqlite3.connect("results/gausse.sqlite3")
-    row = c.execute("select max(efficiency) from runs where feasible=1").fetchone()
+    # НЕ max(): он сканирует всю базу (гигабайты); частичный индекс отдаёт мгновенно
+    row = c.execute("select efficiency from runs indexed by idx_runs_feas_eff "
+                    "where feasible=1 order by efficiency desc limit 1").fetchone()
     print(f"{row[0]*100:.2f}%" if row and row[0] is not None else "пока нет")
 except Exception:
     print("пока нет")