[lxc-users] lxc memory limit doesn't work

[Fırat KÜÇÜK]

I reinstalled the lxc, lxcfs service cannot start.

limit is the same.

Fajar and Guido. Thanks for your support.

BTW I will reinstall the LXD. It is quite user friendly and stable for me.






2015-04-29 12:35 GMT+03:00 Fajar A. Nugraha <list at fajar.net>:

> https://launchpad.net/~ubuntu-lxc/+archive/ubuntu/lxc-stable
>
> On Wed, Apr 29, 2015 at 4:30 PM, Fırat KÜÇÜK <firatkucuk at gmail.com> wrote:
> > I searched all the packages. I think there is nothing such lxcfs in
> ubuntu
> > 14.04. LTS trusty.
> >
> >
> >
> > 2015-04-29 12:23 GMT+03:00 Fajar A. Nugraha <list at fajar.net>:
> >>
> >> Ah, OK.
> >>
> >> In that case, on the container, try:
> >> mount | grep lxcfs
> >> cat /proc/cpuinfo
> >> cat /proc/meminfo
> >>
> >> IF you have lxcfs correctly installed and used by the containers (as
> >> shown by mount command), cpuinfo and meminfo should contain
> >> container-specific values as set on cgroups (e.g.
> >> lxc.cgroup.cpuset.cpus, lxc.cgroup.memory.limit_in_bytes)
> >>
> >> if you DON'T see lxcfs there, check:
> >> - whether lxcfs is running
> >> - whether lxcfs hook is properly setup (e.g. on Ubuntu lxcfs has
> >> /usr/share/lxc/config/common.conf.d/00-lxcfs.conf, and
> >> /usr/share/lxc/config/common.conf includes
> >> /usr/share/lxc/config/common.conf.d/)
> >>
> >> --
> >> Fajar
> >>
> >> On Wed, Apr 29, 2015 at 4:09 PM, Fırat KÜÇÜK <firatkucuk at gmail.com>
> wrote:
> >> > in fact.
> >> >
> >> > Today i setup lxd and lxc seperately.
> >> >
> >> > on lxd setup i used:
> >> >
> >> > lxc config set my-container limits.memory 4G
> >> >
> >> > and it worked.
> >> >
> >> > But i considered lxd is not quite stable for production. Than i used
> lxc
> >> > then i created a container and edit conf-file
> >> >
> >> > lxc.cgroup.memory.limit_in_bytes = 2048M
> >> >
> >> > but it doesn't work.
> >> >
> >> > In both cases i used free -h or cat /proc/meminfo
> >> >
> >> >
> >> >
> >> > 2015-04-29 11:09 GMT+03:00 Fajar A. Nugraha <list at fajar.net>:
> >> >>
> >> >> On Wed, Apr 29, 2015 at 2:17 PM, Fırat KÜÇÜK <firatkucuk at gmail.com>
> >> >> wrote:
> >> >> > Hi,
> >> >> >
> >> >> > i updated the config file:
> >> >> > lxc.cgroup.memory.limit_in_bytes = 2048M
> >> >> >
> >> >> > but my container free -h output shows 32GB
> >> >> >
> >> >> > Is there anything that i missed?
> >> >>
> >> >> Not really.
> >> >>
> >> >> In most (all?) lxc setup, various tools (e.g. free, top) on the
> >> >> container will show the host's total resources. You will only see the
> >> >> limit take effect once you run some memory and cpu-intensive
> programs.
> >> >> lxcfs should help in some situations, but not all.
> >> >>
> >> >> From the host, run:
> >> >>
> >> >> lxc-cgroup -n CONTAINER_NAME memory.limit_in_bytes
> >> >> lxc-cgroup -n CONTAINER_NAME memory.usage_in_bytes
> >> >>
> >> >> The second output should always be lower than the first. Once the
> >> >> container's usage approach the set limit, you'd see OOM-messages on
> >> >> syslog and programs on the container will be automatically killed
> >> >> courtesy of OOM killer.
> >> >>
> >> >> --
> >> >> Fajar
> >> >> _______________________________________________
> >> >> lxc-users mailing list
> >> >> lxc-users at lists.linuxcontainers.org
> >> >> http://lists.linuxcontainers.org/listinfo/lxc-users
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > FIRAT KÜÇÜK
> >> >
> >> > _______________________________________________
> >> > lxc-users mailing list
> >> > lxc-users at lists.linuxcontainers.org
> >> > http://lists.linuxcontainers.org/listinfo/lxc-users
> >> _______________________________________________
> >> lxc-users mailing list
> >> lxc-users at lists.linuxcontainers.org
> >> http://lists.linuxcontainers.org/listinfo/lxc-users
> >
> >
> >
> >
> > --
> > FIRAT KÜÇÜK
> >
> > _______________________________________________
> > lxc-users mailing list
> > lxc-users at lists.linuxcontainers.org
> > http://lists.linuxcontainers.org/listinfo/lxc-users
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-- 
FIRAT KÜÇÜK
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