k8s hpa,缩容时,如果为长链接应用,会直接被干掉线吗 - V2EX
jitongxi

k8s hpa,缩容时,如果为长链接应用,会直接被干掉线吗

  •  1
     
  •   jitongxi Dec 13, 2023 2214 views
    This topic created in 886 days ago, the information mentioned may be changed or developed.
    Supplement 1    Dec 13, 2023
    举个极端列子, 如果是长链接游戏的应用, 会掉线吗,没有客户端重连的情况下
    5 replies    2023-12-13 17:43:43 +08:00
    crysislinux
        1
    crysislinux  
       Dec 13, 2023
    一般都发个 terminate 消息给服务进程,进程自己关闭这些长链接,客户端要实现自动重连,重连的时候不会再连上这个即将关闭的服务了。如果进程自己不处理,过一段时间后服务还是会被强制关闭,这个时间是可配置的。
    coderxy
        2
    coderxy  
       Dec 13, 2023
    会, 不过长连接应用的客户端肯定有重连机制。
    shinciao
        3
    shinciao  
       Dec 13, 2023
    容器销毁时会先发送 SIGTERM 信号,需要自行实现优雅关闭。
    是否会掉线取决于业务程序是如何处理的。
    mooyo
        4
    mooyo  
       Dec 13, 2023
    会的,一定会掉线,另外,长链接如果长期维持,还会有负载不均的问题。
    mooyo
        5
    mooyo  
       Dec 13, 2023
    @crysislinux 理想情况需要先从流量表把需要驱逐的 pod 摘出去,然后发信号通知 client reconnect ,等所有的 connection 都处理掉再去把 pod 销毁掉。。但在我的印象中好像这个间隔就给了几分钟吧 最长。
    About     Help     Advertise     Blog     API     FAQ     Solana     938 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 104ms UTC 18:55 PVG 02:55 LAX 11:55 JFK 14:55
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86