[lxc-users] writeback cache for all container processes?

Fajar A. Nugraha list at fajar.net
Mon Feb 2 12:13:58 UTC 2015


You do know that lxc share the same kernel instance as the host OS, making
such settings not applicable?

-- 
Fajar

On Mon, Feb 2, 2015 at 6:59 PM, Tomasz Chmielewski <mangoo at wpkg.org> wrote:

> Is it possible to start a lxc container with "writeback cache", in a way
> similar to KVM's writeback cache?
>
> From "man kvm":
>
> cache=writeback
>
>       It will report data writes as completed as soon as the data is
> present in the host page cache.  This is safe
>       as long as your guest OS makes sure to correctly flush disk caches
> where needed. If your guest OS does not
>       handle volatile disk write caches correctly and your host crashes or
> loses power, then the guest may
>       experience data corruption.
>
>
> --
> Tomasz Chmielewski
> http://www.sslrack.com
>
> _______________________________________________
> lxc-users mailing list
> lxc-users at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users
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