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fix: backfill sleep 2s per batch to avoid SQLite WAL lock contention

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root 2026-02-27 15:44:43 +00:00
parent 35fcb7cef0
commit 23c7597a40
1 changed files with 1 additions and 1 deletions
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backend/backfill_agg_trades.py
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@ -37,7 +37,7 @@ DB_PATH = os.path.join(os.path.dirname(__file__), "..", "arb.db")
BINANCE_FAPI = "https://fapi.binance.com/fapi/v1" BINANCE_FAPI = "https://fapi.binance.com/fapi/v1"
HEADERS = {"User-Agent": "Mozilla/5.0 ArbitrageEngine/backfill"} HEADERS = {"User-Agent": "Mozilla/5.0 ArbitrageEngine/backfill"}
BATCH_SIZE = 1000 BATCH_SIZE = 1000
SLEEP_MS = 200 # 毫秒/请求 SLEEP_MS = 2000 # 低优先级：2秒/请求，让出锁给实时服务
# ─── DB helpers ────────────────────────────────────────────────── # ─── DB helpers ──────────────────────────────────────────────────