redis 如何检测连接已经断开? - V2EX
displayabc
V2EX    Redis

redis 如何检测连接已经断开?

  •  1
     
  •   displayabc Aug 8, 2014 15291 views
    This topic created in 4300 days ago, the information mentioned may be changed or developed.
    使用的python的客户端,添加了订阅事件,网络连接突然断了,但是代码还在正常运行,也没报错,如何能快速检测到当前客户端已经与redis的连接已经断开了呢?或者让代码报错也行
    Supplement 1    Aug 8, 2014
    我发现redis-py 的pubsub如果断网之后再联网,会再自动连接上redis,但是如果断开不提示
    7 replies    2014-08-09 22:11:02 +08:00
    yibin001
        1
    yibin001  
       Aug 8, 2014
    定时发ping命令?
    Zuckonit
        2
    Zuckonit  
       Aug 8, 2014
    这个问题我也遇到, 不过我是通过定时去取某一个key来判断是否存活
    vjnjc
        3
    vjnjc  
       Aug 8, 2014
    @Zuckonit +1,我也做,不感不太科
    skybr
        4
    skybr  
       Aug 8, 2014
    我试了下, listen之后stop掉redis-server会报ConnectionError啊
    displayabc
        5
    displayabc  
    OP
       Aug 8, 2014
    @skybr 我说的是网络断开的情况,不是关闭redis
    mengskysama
        6
    mengskysama  
       Aug 9, 2014
    @skybr 这个是正确断开的情况,这个会发送一个正确关闭的包的。网络断开是没办法探测到的。

    这个不好搞的
    Zuckonit
        7
    Zuckonit  
       Aug 9, 2014
    @vjnjc 这样类似heartbeat, 挺科学的, API里也没有好用的方法。
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