"""快速检查 ETL 日志尾部 — 一次性脚本"""
import os, sys

LOG = r"C:\NeoZQYY\export\ETL-Connectors\feiqiu\LOGS\2681a85399e64c76a040163f956e1907.log"

f = open(LOG, "rb")
f.seek(0, 2)
sz = f.tell()
print(f"文件大小: {sz} bytes")
f.seek(max(0, sz - 8000))
data = f.read().decode("utf-8", "replace")
f.close()
lines = data.splitlines()
for l in lines[-50:]:
    print(l)

# 检查进程
try:
    import subprocess
    r = subprocess.run(
        ["powershell", "-Command", "Get-Process -Id 19972 -ErrorAction SilentlyContinue | Select-Object Id,CPU"],
        capture_output=True, text=True, timeout=5
    )
    print(f"\n进程 19972 状态: {r.stdout.strip() if r.stdout.strip() else '已退出'}")
except Exception as e:
    print(f"\n进程检查失败: {e}")
