Open Stack

Actually, we have some improvements with snapshots size and we are going to
rethink our snapshots in upcoming releases. Miroslav, could you clarify the
importance of this change in 6.1?

On Thu, Jan 29, 2015 at 2:30 PM, Tomasz Napierala <tnapierala at mirantis.com>
wrote:

> Guys,
>
> We have requests for this improvement. It will help with huge
> environments, we are talking about >5GiB of logs.
> Is it on the agenda?
>
> Regards,
>
>
> > On 22 Dec 2014, at 07:28, Bartlomiej Piotrowski <
> bpiotrowski at mirantis.com> wrote:
> >
> > FYI, xz with multithreading support (5.2 release) has been marked as
> stable yesterday.
> >
> > Regards,
> > Bartłomiej Piotrowski
> >
> > On Mon, Nov 24, 2014 at 12:32 PM, Bartłomiej Piotrowski <
> bpiotrowski at mirantis.com> wrote:
> > On 24 Nov 2014, at 12:25, Matthew Mosesohn <mmosesohn at mirantis.com>
> wrote:
> > > I did this exercise over many iterations during Docker container
> > > packing and found that as long as the data is under 1gb, it's going to
> > > compress really well with xz. Over 1gb and lrzip looks more attractive
> > > (but only on high memory systems). In reality, we're looking at log
> > > footprints from OpenStack environments on the order of 500mb to 2gb.
> > >
> > > xz is very slow on single-core systems with 1.5gb of memory, but it's
> > > quite a bit faster if you run it on a more powerful system. I've found
> > > level 4 compression to be the best compromise that works well enough
> > > that it's still far better than gzip. If increasing compression time
> > > by 3-5x is too much for you guys, why not just go to bzip? You'll
> > > still improve compression but be able to cut back on time.
> > >
> > > Best Regards,
> > > Matthew Mosesohn
> >
> > Alpha release of xz supports multithreading via -T (or —threads)
> parameter.
> > We could also use pbzip2 instead of regular bzip to cut some time on
> multi-core
> > systems.
> >
> > Regards,
> > Bartłomiej Piotrowski
> >
> > _______________________________________________
> > OpenStack-dev mailing list
> > OpenStack-dev at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>
> --
> Tomasz 'Zen' Napierala
> Sr. OpenStack Engineer
> tnapierala at mirantis.com
>
>
>
>
>
>
>
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20150302/d361536c/attachment.html>