sorry i have answered to the bad thread. ignore this answer for this question. thanks.
2017-03-27 16:04 GMT+02:00 Gaétan QUENTIN <gaetan.quen...@gmail.com>: > in a LXD container, the syntax is: > > lxc config set mycontainer raw.idmap 'both 1003 1003' > > as idmap is a blob, i you want assign multiple values, you have to send > multilines: > > echo -e "both 1003 1003\nboth 1004 1004" | lxc config set mycontainer > raw.idmap - > > 2017-03-27 15:33 GMT+02:00 Serge E. Hallyn <se...@hallyn.com>: > >> On Tue, Mar 14, 2017 at 02:29:01AM +0100, Benoit GEORGELIN - Association >> Web4all wrote: >> > ----- Mail original ----- >> > > De: "Simos Xenitellis" <simos.li...@googlemail.com> >> > > À: "lxc-users" <lxc-users@lists.linuxcontainers.org> >> > > Envoyé: Lundi 13 Mars 2017 20:22:03 >> > > Objet: Re: [lxc-users] Experience with large number of LXC/LXD >> containers >> > >> > > On Sun, Mar 12, 2017 at 11:28 PM, Benoit GEORGELIN - Association >> > > Web4all <benoit.george...@web4all.fr> 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 have been looking around for a couple of days to found any >> user/admin >> > > > feedback experience but i'm not able to find large deployments >> > >> > > > Is there any ressources limits or any maximum number that can be >> deployed on >> > > > the same node ? >> > > > Beside physical performance of the node, is there any specific >> behavior that >> > > > a large number of LXC/LXD containers can experience ? I'm not aware >> of any >> > > > test or limits that can occurs beside number of process. But I'm >> sure from >> > > > LXC/LXD side it might have some technical contraints ? >> > > > Maybe on namespace availability , or any other technical layer used >> by >> > > > LXC/LXD >> > >> > > > I will be interested to here from your experience or if you have any >> > > > links/books/story about this large deployments >> > >> > >> > > This would be interesting to hear if someone can talk publicly about >> > > their large deployment. >> > >> > > In any case, it should be possible to create, for example, 1000 web >> servers >> > > and then try to access each one and check any issues regarding the >> > > response time. >> > > Another test would be to install 1000 Wordpress installations and >> > > check again for the response time >> > > and resource usage. >> > > Such scripts to create this massive number of containers would also be >> > > helpful to replicate >> > > any issues in order to solve them. >> > >> > > Simos >> > >> > >> > Yes it's would be very nice to hear about this kind of infrastructure >> using lxc/lxd >> > I'm not yet ready to make this kind of testing, but if someone would >> like to work on this with me as a projet, I can provide the technical >> infrastructure and scripts . >> > That would be nice to provide a good testing case and analyse to share >> to the community >> >> It should be pretty simple. I've done testing like this to test other >> software, which implicitly ended up testing lxd. >> >> You'd probably create a first container and publish it locally, >> >> (all commands untested, just an example) >> >> lxc launch ubuntu:xenial template >> lxc exec template -- apt -y install nginx >> lxc stop template >> lxc publish --alias template template >> >> Then do your testing in a loop, >> >> # spin up containers >> for i in `seq -f "%04g" 1 1000`; do >> lxc launch template nginx-$i >> done >> >> # spin up clients >> ... etc >> _______________________________________________ >> lxc-users mailing list >> lxc-users@lists.linuxcontainers.org >> http://lists.linuxcontainers.org/listinfo/lxc-users > > > > > -- > Gaétan QUENTIN > -- Gaétan QUENTIN
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