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hagezhou

Python 用什么技术做后端服务比较好?

  •  
  •   hagezhou Aug 8, 2018 4574 views
    This topic created in 2819 days ago, the information mentioned may be changed or developed.
    现在想在机器上写一个脚本,要求脚本能 24h 稳定运行,如果 crash 能自动重启。
    如果单纯是写个阻塞程序待在那里肯定是不行的,服务可能会挂掉。
    或者用 supervisor ?
    各路大神有木有推荐的做法,怎么比较轻量,怎么稳定
    14 replies    2018-08-09 12:31:19 +08:00
    baojiweicn2
        1
    baojiweicn2  
       Aug 8, 2018 via iPhone
    嗯 or docker restart:always
    mrchi
        2
    mrchi  
       Aug 8, 2018
    提供一个思路,之前我在刷 12306 票的时候,用的是 celery beat 任务 + supervisor 监控,没挂过。不知道是不是符合你需求
    est
        3
    est  
       Aug 8, 2018   1
    uwsgi 一把梭。
    zhengxiaowai
        4
    zhengxiaowai  
       Aug 8, 2018
    supervisor
    hagezhou
        5
    hagezhou  
    OP
       Aug 8, 2018
    @baojiweicn2 嗯 还有一种就是 docker 了
    elsove812
        6
    elsove812  
       Aug 8, 2018
    docker 可能未知原因的死掉,supervisor 也可能“假死”。还是看你的具体场景。既然是“脚本”是否是需要实时在线?是否可以定期执行?什么指标才是它真正存活的标志?它运行的介质是否随他本身的运行而变化,这个变化是否影响到它本身,等等等信息
    smdbh
        7
    smdbh  
       Aug 8, 2018
    systemctl?
    dacapoday
        8
    dacapoday  
       Aug 8, 2018
    cron 里挂个定时脚本,检测程序是否有在运行(比如之前保存在 /run 的 pid 或 ps 里的 command),运行是否正常(日志有输出,信号),然后退出。一旦异常则正常启动程序,并保存 pid 等相关信息。
    balamiao
        9
    balamiao  
       Aug 8, 2018
    supervisor 守护进程就可以的~
    caola
        10
    caola  
       Aug 8, 2018
    如果要守护进程,linux 自带 systemd 不用,用啥第三方的工具,
    supervisor 的进程还是靠 systemd 来守护。。。
    scukmh
        11
    scukmh  
       Aug 8, 2018
    uwsgi + docker(跑。
    blueskea
        12
    blueskea  
       Aug 8, 2018 via Android
    用的 supervisor
    lolizeppelin
        13
    lolizeppelin  
       Aug 8, 2018 via Android
    抄 openstack 的多进城管理代码呗 写得挺好的
    lfzyx
        14
    lfzyx  
       Aug 9, 2018
    systemd 系统级守护
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