Quoting Tomasz Chmielewski (man...@wpkg.org): > On 2017-03-13 06:28, Benoit GEORGELIN - Association Web4all wrote: > >Hi lxc-users , > > > >I would like to know if you have any experience with a large number of > >LXC/LXD containers ? > >In term of performance, stability and limitation . > > > >I'm wondering for exemple, if having 100 containers behave the same of > >having 1.000 or 10.000 with the same configuration to avoid to talk > >about container usage. > > I'm running LXD on several servers and I'm generally satisfied with > it - performance, stability are fine. They are mostly <50 containers > though. > > I also have a LXD server which runs 100+ containers, which > starts/stops/deletes dozens of containers daily and is used for > automation. Approximately once every 1-2 months, "lxc stop" / "lxc > restart" command will fail, which is a bit of stability concern for > us. > > The cause is unclear. In LXD log for the container, the only thing > logged is: > > > lxc 20170301115514.738 WARN lxc_commands - > commands.c:lxc_cmd_rsp_recv:172 - Command get_cgroup failed to > receive response: Connection reset by peer. > > > When it starts to happen, it affects all containers - "lxc stop / > lxc restart" will hang for any of the running containers. What's > interesting, the container gets stopped with "lxc stop", the command > just never returns. For "lxc restart" case, it will just stop the > container (and the command will not return / will not start the > container again). > > The only thing which fixes that is server restart. > > There is also no clear way to reproduce it reliably (other than > running the server for long, and starting/stopping a large number of > containers over that time...). > > I think it's some kernel issue, but unfortunately I was not able to > debug this any further.
Hi, would you mind opening an issue for this at github.com/lxc/lxd/issues? Just add in all the info you have and, if I understand right that you can't put time into further reproductions, just say so up top so hopefully we won't bug you too much. _______________________________________________ lxc-users mailing list lxc-users@lists.linuxcontainers.org http://lists.linuxcontainers.org/listinfo/lxc-users
