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perf: 优化频率改为每20分钟+单实例锁防撞车
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@@ -267,6 +267,17 @@ def restart_ea():
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def main():
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# ★ 单实例锁:防止 cron 每20分钟时上一轮还没跑完
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import fcntl
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lock_path = PROJECT_DIR / ".optimizer.lock"
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lock_fd = os.open(str(lock_path), os.O_CREAT | os.O_RDWR, 0o644)
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try:
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fcntl.flock(lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
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except BlockingIOError:
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logger.warning("⚠️ 上一轮优化仍在运行,跳过本轮")
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os.close(lock_fd)
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return 0
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logger.info("=" * 60)
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logger.info("📅 每日自动优化启动")
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logger.info(f"时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
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