I'm curious what the relationship is with python_ceph_cfg[0] and DeepSea,
which have some overlap in contributors and functionality (and supporting
organizations?).
[0] https://github.com/oms4suse/python-ceph-cfg
Bill Sanders
On Wed, Nov 2, 2016 at 10:52 PM, Tim Serong wrote:
> Hi Al
Avoiding the merits of SysV vs SystemD:
I went and grabbed the systemd init scripts (unit files, whatever)
from upstream. As Christian suggests, answers will vary depending on
your ceph version (and where your packages came from), but if you go
to: https://github.com/ceph/ceph/tree/master/systemd
Going in a tiny bit more detail to what Michał said, one of the key
reasons for having the journal (in particular, to use SSD's) is to
reduce latency on writes (the other being a replay in the event of a
crash). Even if the functionality existed, adding a network trip to
this would be detrimental
Is there some information about rbd-nbd somewhere? If it has feature
parity with librbd and is easier to maintain, will this eventually
deprecate krbd? We're using the RBD kernel client right now, and so
this looks like something we might want to explore at my employer.
Bill
On Thu, Jan 14, 201
Just dropping a note to say that Teradata (I work there!) is hiring to
build out a small-at-first Ceph team in our Rancho Bernardo office (near
San Diego, CA).
We're looking for engineers interested in getting Ceph to spin like a top
for our data warehouse applications. You should know C/C++,
vir
I think what Nick is suggesting is that you create Nx5GB partitions on the
SSD's (where N is the number of OSD's you want to have fast journals for),
and use the rest of the space for OSDs that would form the SSD pool.
Bill
On Tue, Nov 24, 2015 at 10:56 AM, Marek Dohojda <
mdoho...@altitudedigita
Is there a thread on the mailing list (or LKML?) with some background about
tcp_low_latency and TCP_NODELAY?
Bill
On Fri, Sep 11, 2015 at 2:30 AM, Jan Schermer wrote:
> Can you try
>
> echo 1 > /proc/sys/net/ipv4/tcp_low_latency
>
> And see if it improves things? I remember there being an optio
permail/ceph-users-ceph.com/2015-January/045674.html
Hope this helps
Bill Sanders
On Wed, Sep 9, 2015 at 11:09 AM, Lincoln Bryant
wrote:
> Hi Jan,
>
> I’ll take a look at all of those things and report back (hopefully :))
>
> I did try setting all of my OSDs to writethrough instead
I think you're looking for this.
http://ceph.com/docs/master/man/8/rbd/#cmdoption-rbd--order
It's used when you create the RBD images. 1MB is order=20, 512 is order=19.
Thanks,
Bill Sanders
On Thu, Aug 13, 2015 at 1:31 AM, Vickey Singh
wrote:
> Thanks Nick for your suggestion
Forgive me if this is unhelpful, but could it be something to do with
permissions of the directory and not Ceph at all?
http://superuser.com/a/528467
Bill
On Mon, Mar 2, 2015 at 3:47 PM, Gregory Farnum wrote:
> On Mon, Mar 2, 2015 at 3:39 PM, Scottix wrote:
> > We have a file system running C
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