在一台主机上启动同一镜像的多个容器实例有意义吗? - V2EX
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yuniz
V2EX    Docker

在一台主机上启动同一镜像的多个容器实例有意义吗?

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  •   yuniz 2019-09-12 22:20:23 +08:00 6620 次点击
    这是一个创建于 2289 天前的主题,其中的信息可能已经有所发展或是发生改变。
    用 go 写了个 web 服务,放在 docker 里面运行,设置重启策略为总是重启( restart=always )。主机(服务器)只有一台,这种情况下,在一台主机上启动多个容器实例(比如想实现负载均衡之类的目的)有意义吗?能提高性能吗?
    3 条回复    2019-09-14 16:58:53 +08:00
    nvkou
        1
    nvkou  
       2019-09-12 22:24:01 +08:00 via Android
    Web 服务瓶颈一般是数据库吧。你并发很高?你这样搞除了增加 overhead 也没啥好处
    yuniz
        2
    yuniz  
    OP
       2019-09-13 14:43:38 +08:00
    @nvkou 我也觉得没什么意义
    jpuyy
        3
    jpuyy  
       2019-09-14 16:58:53 +08:00
    把 docker 当作进程来看就行
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