On Wed, May 27, 2015 at 1:39 AM, Marcel Lauhoff wrote:
> Hi,
>
> I wrote a prototype for an OSD-based object stub feature. An object stub
> being an object with it's data moved /elsewhere/. I hope to get some
> feedback, especially whether I'm on the right path here and if it
> is a feature you ar
Thread necromancy! (Is it still necromancy if it's been waiting in my
inbox the whole time?)
On Tue, Apr 7, 2015 at 5:54 AM, John Spray wrote:
> Hi all,
>
> [this is a re-send of a mail from yesterday that didn't make it, probably
> due to an attachment]
>
> It has always annoyed me that we don't
On Tue, May 12, 2015 at 5:42 PM, Josh Durgin wrote:
> We've talked about this a bit at ceph developer summits, but haven't
> gone through several parts of the design thoroughly. I'd like to post
> this to a wider audience and get feedback on this draft of a design.
>
> The journal parts are more d
On Wed, May 27, 2015 at 3:36 AM, Patrick McGarry wrote:
> Due to popular demand we are expanding the Ceph lists to include a
> Chinese-language list to allow for direct communications for all of
> our friends in China.
>
> ceph...@lists.ceph.com
>
> It was decided that there are many fragmented di
On 05/26/2015 10:28 PM, Nathan Cutler wrote:
> Hi Loic:
>
> The first round of 0.80.11 backports, including all trivial backports
> (where "trivial" is defined as those I was able to do by myself without
> help), is now ready for integration testing in the "firefly-backports"
> branch of the SUSE
David Disseldorp was good enough to point me at this proposal for ceph
OSD key management:
https://wiki.ceph.com/Planning/Blueprints/Infernalis/osd%3A_simple_ceph-mon_dm-crypt_key_management
I'm really interested in improving ceph on-disk encryption, and am
really glad folks are taking this beyond
On Wed, May 27, 2015 at 5:37 PM, Sage Weil wrote:
> On Wed, 27 May 2015, Gregory Farnum wrote:
>> On Wed, May 27, 2015 at 4:59 PM, Sage Weil wrote:
>> > On Wed, 27 May 2015, Gregory Farnum wrote:
>> >> On Wed, May 27, 2015 at 4:07 PM, Sage Weil wrote:
>> >> > On Wed, 27 May 2015, Gregory Farnum
On Wed, 27 May 2015, Gregory Farnum wrote:
> On Wed, May 27, 2015 at 4:59 PM, Sage Weil wrote:
> > On Wed, 27 May 2015, Gregory Farnum wrote:
> >> On Wed, May 27, 2015 at 4:07 PM, Sage Weil wrote:
> >> > On Wed, 27 May 2015, Gregory Farnum wrote:
> >> >> On Wed, May 27, 2015 at 3:21 PM, Sage Weil
On Wed, May 27, 2015 at 4:59 PM, Sage Weil wrote:
> On Wed, 27 May 2015, Gregory Farnum wrote:
>> On Wed, May 27, 2015 at 4:07 PM, Sage Weil wrote:
>> > On Wed, 27 May 2015, Gregory Farnum wrote:
>> >> On Wed, May 27, 2015 at 3:21 PM, Sage Weil wrote:
>> >> > On Wed, 27 May 2015, Gregory Farnum
On Wed, 27 May 2015, Gregory Farnum wrote:
> On Wed, May 27, 2015 at 4:07 PM, Sage Weil wrote:
> > On Wed, 27 May 2015, Gregory Farnum wrote:
> >> On Wed, May 27, 2015 at 3:21 PM, Sage Weil wrote:
> >> > On Wed, 27 May 2015, Gregory Farnum wrote:
> >> >> > I was just talking to Simo about the lon
On Wed, May 27, 2015 at 4:07 PM, Sage Weil wrote:
> On Wed, 27 May 2015, Gregory Farnum wrote:
>> On Wed, May 27, 2015 at 3:21 PM, Sage Weil wrote:
>> > On Wed, 27 May 2015, Gregory Farnum wrote:
>> >> > I was just talking to Simo about the longer-term kerberos auth goals to
>> >> > make sure we
On Wed, 27 May 2015, Gregory Farnum wrote:
> On Wed, May 27, 2015 at 3:21 PM, Sage Weil wrote:
> > On Wed, 27 May 2015, Gregory Farnum wrote:
> >> > I was just talking to Simo about the longer-term kerberos auth goals to
> >> > make sure we don't do something stupid here that we regret later. His
On 05/27/2015 04:00 PM, Robert LeBlanc wrote:
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On Wed, May 27, 2015 at 2:06 PM, Mark Nelson wrote:
Compiling Ceph entirely with jemalloc overall had a negative
performance impact. This may be due to dynamically linking to RocksDB
instead of the
On Wed, May 27, 2015 at 3:21 PM, Sage Weil wrote:
> On Wed, 27 May 2015, Gregory Farnum wrote:
>> > I was just talking to Simo about the longer-term kerberos auth goals to
>> > make sure we don't do something stupid here that we regret later. His
>> > feedback boils down to:
>> >
>> > 1) Don't b
On Wed, 27 May 2015, Gregory Farnum wrote:
> > I was just talking to Simo about the longer-term kerberos auth goals to
> > make sure we don't do something stupid here that we regret later. His
> > feedback boils down to:
> >
> > 1) Don't bother with root squash since it doesn't buy you much, and
On Wed, May 27, 2015 at 2:44 PM, Sage Weil wrote:
> On Tue, 26 May 2015, Gregory Farnum wrote:
>> >> >> Basically I'm still stuck on how any of this lets us lock a user into
>> >> >> a subtree while letting them do what they want within it. I'm not sure
>> >> >> how/if NFS solves that problem...
>
On Tue, 26 May 2015, Gregory Farnum wrote:
> >> >> Basically I'm still stuck on how any of this lets us lock a user into
> >> >> a subtree while letting them do what they want within it. I'm not sure
> >> >> how/if NFS solves that problem...
> >> >
> >> > That's easy:
> >> >
> >> > # lock client i
Hi Yehuda,
Reading http://tracker.ceph.com/issues/11570#note-6 it looks like it would be
good to include something in the release notes for hammer v0.94.2. Would you
mind updating http://ceph.com/docs/master/release-notes/#hammer-draft if you
think it's relevant ?
Note that we're still conduc
On Wed, May 27, 2015 at 2:12 PM, Yuri Weinstein wrote:
> QE validation status.
>
> All detailed information is summarized in http://tracker.ceph.com/issues/11492
>
> Team leads pls review for do "go"-"no-go" decision.
>
> Issues to be considered:
>
> rados - passed ~2.8K jobs, listed issues (#1166
On 27/05/2015 23:12, Yuri Weinstein wrote:
> QE validation status.
>
> All detailed information is summarized in http://tracker.ceph.com/issues/11492
>
> Team leads pls review for do "go"-"no-go" decision.
>
> Issues to be considered:
>
> rados - passed ~2.8K jobs, listed issues (#11660, #116
On Wed, 27 May 2015, Haomai Wang wrote:
> On Wed, May 27, 2015 at 4:41 PM, Li Wang wrote:
> > I have just noticed the new store development, and had a
> > look at the idea behind it (http://www.spinics.net/lists/ceph-
> > devel/msg22712.html), so my understanding, we wanna avoid the
> > double-wri
QE validation status.
All detailed information is summarized in http://tracker.ceph.com/issues/11492
Team leads pls review for do "go"-"no-go" decision.
Issues to be considered:
rados - passed ~2.8K jobs, listed issues (#11660, #11661) are not blockers
(NOTE: we also agreed to use the "0/7th"
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On Wed, May 27, 2015 at 2:06 PM, Mark Nelson wrote:
>> Compiling Ceph entirely with jemalloc overall had a negative
>> performance impact. This may be due to dynamically linking to RocksDB
>> instead of the default static linking.
>
>
> Is it possi
On 05/27/2015 12:40 PM, Robert LeBlanc wrote:
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With all the talk of tcmalloc and jemalloc, I decided to do some
testing og the different memory allocating technologies between KVM
and Ceph. These tests were done a pre-production system so I've tried
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The workload is on average, 17KB per read request and 13KB per write
request with 73% read abd 27% write. This is a web hosting workload.
-
Robert LeBlanc
GPG Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1
On Wed, M
On Thu, May 28, 2015 at 1:40 AM, Robert LeBlanc wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> With all the talk of tcmalloc and jemalloc, I decided to do some
> testing og the different memory allocating technologies between KVM
> and Ceph. These tests were done a pre-production s
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With all the talk of tcmalloc and jemalloc, I decided to do some
testing og the different memory allocating technologies between KVM
and Ceph. These tests were done a pre-production system so I've tried
to remove some the variance with many runs and
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At first I thought this was to allow the OSDs to stub the location of
the real data after a CRUSH map change so that it didn't have to
relocate the data right away (or at all) and reduce the number of map
changes. Then I realized it was for cold sto
On Tue, 12 May 2015, Gregory Farnum wrote:
> On Tue, May 12, 2015 at 10:42 AM, Goldwyn Rodrigues wrote:
> > Hi,
> >
> > The task mentioned in $SUBJECT is a part of the multi-tenancy cephfs
> > project. Has someone taken the task as yet? If not, I am interested in
> > working on the task.
>
> We'v
8AM PST as usual! Discussion topics include: Xiaoxi's newstore latency
tests, Andrea's microbenchmark results, Cache tiering. Please feel free
to add your own!
Here's the links:
Etherpad URL:
http://pad.ceph.com/p/performance_weekly
To join the Meeting:
https://bluejeans.com/268261044
To j
On 05/20/2015 11:13 AM, Andreas Bluemle wrote:
Hi,
as discussed on todays performance meeting: find attached the
spreadsheet which I had shown during the meeting.
@Sam: your are right concerning the make_blist part: this
probably is expensive due to message signing being turned on.
For the osd
Just as a reminder, our monthly Ceph Tech Talk will be happening today
(instead of its usual time on a Thurs) at 1p EDT (a little over 3
hours from now). Florian from Hastexo will be discussing placement
groups which is especially important if you are planning a cluster or
looking to expand.
Whil
On 05/27/2015 04:46 AM, Haomai Wang wrote:
On Wed, May 27, 2015 at 4:41 PM, Li Wang wrote:
I have just noticed the new store development, and had a
look at the idea behind it (http://www.spinics.net/lists/ceph-
devel/msg22712.html), so my understanding, we wanna avoid the
double-write penalty
On Wed, May 27, 2015 at 4:41 PM, Li Wang wrote:
> I have just noticed the new store development, and had a
> look at the idea behind it (http://www.spinics.net/lists/ceph-
> devel/msg22712.html), so my understanding, we wanna avoid the
> double-write penalty of WRITE_AHEAD_LOGGING journal mechanis
I guess it should be something like sam designed in
CDS(https://wiki.ceph.com/Planning/Blueprints/Infernalis/osd%3A_Tiering_II_(Warm-%3ECold))
On Wed, May 27, 2015 at 4:39 PM, Marcel Lauhoff wrote:
> Hi,
>
> I wrote a prototype for an OSD-based object stub feature. An object stub
> being an objec
Hi,
I wrote a prototype for an OSD-based object stub feature. An object stub
being an object with it's data moved /elsewhere/. I hope to get some
feedback, especially whether I'm on the right path here and if it
is a feature you are interested in.
Code is in my "osd-stubs" branch:
https://gith
I have just noticed the new store development, and had a
look at the idea behind it (http://www.spinics.net/lists/ceph-
devel/msg22712.html), so my understanding, we wanna avoid the
double-write penalty of WRITE_AHEAD_LOGGING journal mechanism,
the straightforward thought is to optimize CREATE, AP
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