From 6fbf3566f9cb4578d0f4609148721442db54f72d Mon Sep 17 00:00:00 2001
From: root <root@s52867.vps.hosting>
Date: Wed, 4 Mar 2026 13:31:28 +0000
Subject: [PATCH] fix: add 1s sleep between batches to reduce DB pressure
 during backfill

---
 scripts/label_backfill.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/label_backfill.py b/scripts/label_backfill.py
index c813845..c34ea00 100644
--- a/scripts/label_backfill.py
+++ b/scripts/label_backfill.py
@@ -233,6 +233,7 @@ def main():
             total += n
             logger.info(f"本批回填 {n} 条，累计 {total} 条")
 
+        time.sleep(1)  # 限速：每批间隔1秒，减轻DB压力
         if not args.loop:
             break
         time.sleep(300)  # 5分钟