[Systems] Clustering Remora

David Farning dfarning at sugarlabs.org
Fri Aug 28 07:15:05 EDT 2009

On Fri, Aug 28, 2009 at 1:13 AM, Bernie Innocenti<bernie at codewiz.org> wrote:
> El Thu, 27-08-2009 a las 21:38 -0500, David Farning escribió:
>> If the resources are available, the first piece to split off would be
>> the file server portion of a.sl.o. That is just a matter of setting up
>> a very light weight http server on a machine with good bandwidth and
>> adjusting a single line of the a.sl.o config file.
> Great.  Does Remora provide its own mechanism for synchronizing the
> files, or do we have to call rsync from a cron job?

a.sl.o handles the syncing.  Before the bundle is marked public, via
the editor panel, it is stored locally.  After being marked public, it
is automatically pushed to the download server.  All syncing and
redirecting is handled by Remora.

The big win is that by moving the files off the primary server it
reduces cache churn on the primary servers and db servers.


>> > This would also be another good project waiting for a volunteer sysadmin
>> > to explore.  I can provide all the necessary resources and support.
>> > activities-devel.sl.o. would be a good playing ground, just ask me to
>> > get access and get in contact with Aleksey for coordination.
>> Hopefully, that is something wes is able to do.
>> How about moving activites-[devel|testing].sl.o to bender or treehouse
>> in order to move them from tier 1 to tier 2 machines?
> Sounds like a good plan to me.  Ok, let's move in that direction.
> I guess the first step would be selecting and customizing a base OS
> image that we could unpack to quickly create new VMs.  iirc, Sascha had
> done it already on bender.
> Whenever there's no compelling reason to prefer a particular Linux
> distro, we could keep installing Ubuntu 64bit on our VMs for consistency
> with Sunjammer and Solarsail.

+1, Whenever you get a chance wes and I can start work on this.

possible work flow:
1. Bernie (or vm maintainer) creates new vms.
 a. activites-devel.sl.o
 b. activites-devel-dl.sl.o
2. Bernie (or dns maintainer) points dns names at new vms.
3. Wes (or aslo admin) sets up stock also server - I can help point
wes to the necessary http configs and create db backups.
4. Wes (or aslo admin) syncs aslo instances against correct git branch
- will appreciate alsroots help here.

repeat 1-4 with activites-testing.sl.o and activites-testing-dl sl.o

repeat 1-4 with activites-dl.sl.o -- and go live


>   // Bernie Innocenti - http://codewiz.org/
>  \X/  Sugar Labs       - http://sugarlabs.org/

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