From 55422b0ae0d1c71366ebf348447cbf15c9a9733e Mon Sep 17 00:00:00 2001
From: root <root@s52867.vps.hosting>
Date: Fri, 27 Feb 2026 17:04:36 +0000
Subject: [PATCH] =?UTF-8?q?perf:=20backfill=E5=85=A8=E9=80=9F200ms/?=
 =?UTF-8?q?=E6=89=B9(PG=E6=97=A0=E9=94=81=E5=86=B2=E7=AA=81)?=
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---
 backend/backfill_agg_trades.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/backfill_agg_trades.py b/backend/backfill_agg_trades.py
index ab55a9b..10bc0eb 100644
--- a/backend/backfill_agg_trades.py
+++ b/backend/backfill_agg_trades.py
@@ -27,7 +27,7 @@ logger = logging.getLogger("backfill")
 BINANCE_FAPI = "https://fapi.binance.com/fapi/v1"
 HEADERS = {"User-Agent": "Mozilla/5.0 ArbitrageEngine/backfill"}
 BATCH_SIZE = 1000
-SLEEP_MS = 2000
+SLEEP_MS = 200  # PG并发无锁，全速拉取
 
 
 # ─── DB helpers ──────────────────────────────────────────────────