sorry to bring this up again, googling revealed some people don't like the
subject [anymore].
but I'm working on a new +- 3PB cluster for storage of immutable files.
and it would be either all cold data, or mostly cold. 150MB avg filesize, max
size 5GB (for now)
For this use case, my impression
On Thu, 18 Apr 2013 16:09:52 -0500
Mark Nelson wrote:
> On 04/18/2013 04:08 PM, Josh Durgin wrote:
> > On 04/18/2013 01:47 PM, Sage Weil wrote:
> >> On Thu, 18 Apr 2013, Plaetinck, Dieter wrote:
> >>> sorry to bring this up again, googling revealed some peopl
Sébastien Han wrote:
> Just as a reminder the system maintains 2 caches facilities:
> * disk write cache
> * page cache
the page cache is the one commonly referred to as block cache right (i.e. in
the block layer, below the filesystem layer in the kernel)?
what do you mean with disk write cache
On Tue, 28 Aug 2012 11:12:16 -0700
Ross Turk wrote:
>
> Hi, ceph-devel! It's me, your friendly community guy.
>
> Inktank has an engineering team dedicated to Ceph, and we want to work
> on the right stuff. From time to time, I'd like to check in with you to
> make sure that we are.
>
> Over
On Tue, 18 Sep 2012 01:26:03 +0200
John Axel Eriksson wrote:
> another distributed
> storage solution that had failed us more than once and we lost data.
> Since the old system had an http interface (not S3 compatible though)
can you say a bit more about this? failure stories are very interestin
>
> To sum it up: we made, in retrospect, a bad choice - not because Riak
> itself doesn't work or isn't any good for the things it's good at(it
> really is!) but because the add-on Luwak was misrepresented and not a
> good fit for us.
>
> I really have high hopes f
te:
> Agreed, this was a really interesting writeup! Thanks John!
>
> Dieter, do you mind if I ask what is compelling for you in choosing
> swift vs the other options you've looked at including Ceph?
>
> Thanks,
> Mark
>
> On 09/18/2012 09:51 AM, Plaetinck, D
come with time (more
> experienced community, docs, deployments, papers, etc). Are there other
> things we could be doing that would make Ceph feel less risky for people
> doing similar comparisons?
>
> Thanks,
> Mark
>
> On 09/18/2012 10:19 AM, Plaetinck, Dieter wrote:
&g
Hello,
Ceph/Rados looks very well designed and engineered.
I would like to build a cluster to test the rados distributed object storage
(not the distributed FS or block devices)
I've seen the list of dependencies on the wiki, but it doesn't mention specific
versions for the libraries and tools, n
1) if you don't use btrfs (i.e. xfs) will checksumming still be done? by the
OSD's? does the checksumming happen on every data read, or do underused OSD's
also checksum their data in the background? (like openstack swift does). if
checksum mismatch, what does the client see, and what actions ar
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