> On 2017年9月9日, at 上午6:13, Cong Wang <xiyou.wangc...@gmail.com> wrote: > > On Wed, Sep 6, 2017 at 8:10 PM, Haishuang Yan > <yanhaishu...@cmss.chinamobile.com> wrote: >> Different namespace application might require different maximal number >> of TCP sockets independently of the host. > > So after your patch we could have N * net->ipv4.sysctl_tcp_max_orphans > in a whole system, right? This just makes OOM easier to trigger. >
>From my understanding, before the patch, we had N * >net->ipv4.sysctl_tcp_max_orphans, and after the patch, we could have ns1.sysctl_tcp_max_orphans + ns2.sysctl_tcp_max_orphans + ns3.sysctl_tcp_max_orphans, is that right? Thanks for your reviewing.
