On Sat, Nov 9, 2013 at 10:13 AM, Samuel Just sam.j...@inktank.com wrote:
Currently, the messenger delivers messages to the Dispatcher
implementation from a single thread (See src/msg/DispatchQueue.h/cc).
My take away from the performance work so far is that we probably need
client IO related
On Thu, Nov 7, 2013 at 6:56 AM, Sage Weil s...@inktank.com wrote:
I typed up what I think is remaining for the cache tier work for firefly.
Greg, can you take a look? I'm most likely missing a bunch of stuff here.
On Thu, Oct 31, 2013 at 6:22 AM, Dominik Mostowiec
dominikmostow...@gmail.com wrote:
Hi,
I have strange radosgw error:
==
2013-10-26 21:18:29.844676 7f637beaf700 0 setting object
tag=_ZPeVs7d6W8GjU8qKr4dsilbGeo6NOgw
2013-10-26 21:18:30.049588 7f637beaf700 0 WARNING: set_req_state_err
A little delayed, but Sage just pushed this into our testing repo. Thanks!
(Feel free to poke me in future if you know you have patches that have
been hanging for a while.)
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Wed, Sep 25, 2013 at 11:25 PM, Yan, Zheng
On Mon, Oct 21, 2013 at 11:13 PM, Loic Dachary l...@dachary.org wrote:
On 21/10/2013 18:49, Gregory Farnum wrote:
I'm not quite sure what questions you're actually asking here...
In general, the OSD is not removed from the system without explicit
admin intervention. When it is removed, all
I'm not quite sure what questions you're actually asking here...
In general, the OSD is not removed from the system without explicit
admin intervention. When it is removed, all traces of it should be
zapped (including its key), so it can't reconnect.
If it hasn't been removed, then indeed it will
the bucket index itself, rather than sharding across buckets
in the application. :)
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
Regards
Dominik
2013/10/18 Gregory Farnum g...@inktank.com:
On Fri, Oct 18, 2013 at 4:01 AM, Dominik Mostowiec
dominikmostow...@gmail.com
On Mon, Oct 21, 2013 at 9:57 AM, Loic Dachary l...@dachary.org wrote:
On 21/10/2013 18:49, Gregory Farnum wrote:
I'm not quite sure what questions you're actually asking here...
I guess I was asking if my understanding was correct.
In general, the OSD is not removed from the system without
limitations in ceph that can affect us?
--
Regards
Dominik
2013/10/21 Gregory Farnum g...@inktank.com:
On Mon, Oct 21, 2013 at 2:26 AM, Dominik Mostowiec
dominikmostow...@gmail.com wrote:
Hi,
Thanks for your response.
That is definitely the obvious next step, but it's a non-trivial
amount
On Sat, Oct 19, 2013 at 7:14 AM, Yan, Zheng uker...@gmail.com wrote:
On Sat, Oct 19, 2013 at 8:58 PM, hjwsm1989-gmail hjwsm1...@gmail.com wrote:
Hi,
I'm testing ceph with samba.
I have 20 OSD nodes on 4 hosts
dy01:1MON, 5 OSDs, 1 samba server
dy02: 1MDS, 5OSDs, 1 samba server
dy03: 5 OSDs,
Isn't the UID/GID mismatch a generic problem when using CephFS? ;)
I've got this patch in my queue as well if nobody else beats me to it.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Thu, Oct 17, 2013 at 5:39 AM, Li Wang liw...@ubuntukylin.com wrote:
Hi,
I did not
On Fri, Oct 18, 2013 at 4:01 AM, Dominik Mostowiec
dominikmostow...@gmail.com wrote:
Hi,
I plan to shard my largest bucket because of issues of deep-scrubbing
(when PG which index for this bucket is stored on is deep-scrubbed, it
appears many slow requests and OSD grows in memory - after
I came across this patch while going through my email backlog and it
looks like we haven't pulled in this patch or anything like it. Did
you do something about this problem in a different way?
(The patch doesn't apply cleanly so I'll need to update it if this is
still what we've got.)
-Greg
On Tue, Oct 8, 2013 at 7:40 AM, Oleg Krasnianskiy
oleg.krasnians...@gmail.com wrote:
We use ceph to store huge files stripped into small (4mb) objects.
Due to the fact that files can be changed unpredictably (data
insertion/modification/deletion in any part of a file), we have to
copy parts of
On Wed, Oct 2, 2013 at 5:02 PM, Sage Weil s...@inktank.com wrote:
If we make this a special internal object we need to complicate recovery
and namespacing to keep is separate from user data. We also need to
implement a new API for retrieving, trimming, and so forth.
Instead, we could just
On Wed, Oct 2, 2013 at 5:19 PM, Sage Weil s...@inktank.com wrote:
On Wed, 2 Oct 2013, Gregory Farnum wrote:
On Wed, Oct 2, 2013 at 5:02 PM, Sage Weil s...@inktank.com wrote:
If we make this a special internal object we need to complicate recovery
and namespacing to keep is separate from user
On Thu, Sep 26, 2013 at 8:52 AM, Sage Weil s...@inktank.com wrote:
On Thu, 26 Sep 2013, Mark Nelson wrote:
On 09/25/2013 07:34 PM, Sage Weil wrote:
I spent some time on the plane playing with bloom filters. We're looking
at using these on the OSD to (more) efficiently keep track of which
On Mon, Sep 23, 2013 at 1:34 AM, Loic Dachary l...@dachary.org wrote:
Hi,
Unless I'm mistaken, ceph_crc32() is currently used in master via the
crc32c() method of bufferlist to:
* encode_with_checksum/decode_with_checksum a PGLog entry
* Message::decode_message/Message::encode_message a
On Fri, Sep 20, 2013 at 5:27 AM, Andreas Joachim Peters
andreas.joachim.pet...@cern.ch wrote:
Hi,
we made some benchmarks about object read/write latencies on the CERN ceph
installation.
The cluster has 44 nodes and ~1k disks, all on 10GE and the pool
configuration has 3 copies.
Client
On Tue, Sep 17, 2013 at 10:07 PM, david zhang zhang.david2...@gmail.com wrote:
Hi ceph-users,
Previously I sent one mail to ask for help on ceph unit test and function
test. Thanks to one of your guys, I got replied about unit test.
Since we are planning to use ceph, but with strict quality
On Fri, Sep 13, 2013 at 11:39 PM, Loic Dachary l...@dachary.org wrote:
Hi,
Ceph ( http://ceph.com/ ) relies on a custom implementation of Paxos to
provide exabyte scale distributed storage. Like most people recently exposed
to Paxos, I struggle to understand it ... but will keep studying
On Wed, Sep 11, 2013 at 12:55 PM, David Disseldorp dd...@suse.de wrote:
Hi Sage,
On Wed, 11 Sep 2013 09:18:13 -0700 (PDT)
Sage Weil s...@inktank.com wrote:
REFLINKs (inode-based writeable snapshots)
This is the one item on this list I see that the ceph-osds could take real
advantage of;
On Wed, Aug 28, 2013 at 4:41 PM, 袁冬 yuandong1...@gmail.com wrote:
Hello, everyone.
I have some questions about mds locks. I search google and read almost
all Sage's papers, but I found no details about mds locks. :(
Unfortunately these encompass some of the most complicated and least
On Thu, Aug 29, 2013 at 6:33 PM, Dong Yuan yuandong1...@gmail.com wrote:
It seems that different lock item uses different class with different
state machine for different MDRequest process. :)
Maybe I should concentrate on a particular lock item first, Can you
give me some suggest?
On Wed, Aug 28, 2013 at 9:56 PM, Kevin Frey kevin.f...@internode.net.au wrote:
Hello All,
This is my first post to the list, and my question is very general to
encourage discussion (perhaps derision).
I am the team-leader involved with the development of an application of
which one common
On Fri, Aug 23, 2013 at 4:00 AM, Alexandre Oliva ol...@gnu.org wrote:
On Aug 22, 2013, Yan, Zheng uker...@gmail.com wrote:
This is not bug. Only the tail entry of the path encoded in the parent xattrs
need to be updated. (the entry for inode's parent directory)
Why store the others, if
Looks like this patch hasn't been merged in yet, although its partner
to make the MDS notify about deleted inodes was. Any particular
reason, or just still waiting for review? :)
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Sat, Jul 20, 2013 at 7:21 PM, Yan, Zheng
Did this patch get dropped on purpose? I also don't see it in our
testing branch.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Sun, Aug 4, 2013 at 11:10 PM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng zheng.z@intel.com
The trim caps code that handles
Hi David,
I'm really sorry it took us so long to get back to you on this. :(
However, I've reviewed the patch and, apart from going over the code
making me want to strangle myself for structuring it that way,
everything looks good. I changed the last paragraph in the commit
message very slightly
On Fri, Aug 16, 2013 at 5:47 AM, Mostowiec Dominik
dominik.mostow...@grupaonet.pl wrote:
Hi,
Thanks for your response.
It's possible, as deep scrub in particular will add a bit of load (it
goes through and compares the object contents).
It is possible that the scrubbing blocks access(RW or
On Mon, Aug 19, 2013 at 3:09 PM, Mostowiec Dominik
dominik.mostow...@grupaonet.pl wrote:
Hi,
Yes, it definitely can as scrubbing takes locks on the PG, which will
prevent reads or writes while the message is being processed (which will
involve the rgw index being scanned).
It is possible to
On Thu, Aug 8, 2013 at 1:46 PM, Sage Weil s...@inktank.com wrote:
On Thu, 8 Aug 2013, Loic Dachary wrote:
Hi Sage,
During the discussions about continuous integration at the CDS this week (
http://youtu.be/cGosx5zD4FM?t=1h16m05s ) you mentionned that github was able
to keep track of the
On Fri, Aug 9, 2013 at 2:03 AM, Kasper Dieter
dieter.kas...@ts.fujitsu.com wrote:
OK,
I found this nice page: http://ceph.com/docs/next/dev/file-striping/
which explains --stripe_unit --stripe_count --object_size
But still I'm not sure about
(1) what is the equivalent command on cephfs to
On Wed, Aug 14, 2013 at 1:38 PM, Kasper Dieter
dieter.kas...@ts.fujitsu.com wrote:
On Wed, Aug 14, 2013 at 10:17:24PM +0200, Gregory Farnum wrote:
On Fri, Aug 9, 2013 at 2:03 AM, Kasper Dieter
dieter.kas...@ts.fujitsu.com wrote:
OK,
I found this nice page: http://ceph.com/docs/next/dev/file
On Tue, Jul 30, 2013 at 3:54 PM, Alex Elsayed eternal...@gmail.com wrote:
I posted this as a comment on the blueprint, but I figured I'd say it here:
The thing I'd worry about here is that LevelDB's performance (along with
that of various other K/V stores) falls off a cliff for large values.
On Thu, Jul 25, 2013 at 12:47 AM, Mostowiec Dominik
dominik.mostow...@grupaonet.pl wrote:
Hi
We found something else.
After osd.72 flapp, one PG '3.54d' was recovering long time.
--
ceph health details
HEALTH_WARN 1 pgs recovering; recovery 1/39821745 degraded (0.000%)
pg 3.54d is
On Thu, Jul 25, 2013 at 4:01 PM, Sage Weil s...@inktank.com wrote:
I've added a blueprint for avoiding double-writes when using btrfs:
http://wiki.ceph.com/01Planning/02Blueprints/Emperor/osd:_clone_from_journal_on_btrfs
This should improve throughput significantly when the journal
On Thu, Jul 25, 2013 at 4:28 PM, Sage Weil s...@inktank.com wrote:
On Thu, 25 Jul 2013, Gregory Farnum wrote:
On Thu, Jul 25, 2013 at 4:01 PM, Sage Weil s...@inktank.com wrote:
I've added a blueprint for avoiding double-writes when using btrfs:
http://wiki.ceph.com/01Planning
On Tue, Jul 23, 2013 at 3:20 PM, Studziński Krzysztof
krzysztof.studzin...@grupaonet.pl wrote:
On Tue, Jul 23, 2013 at 2:50 PM, Studziński Krzysztof
krzysztof.studzin...@grupaonet.pl wrote:
Hi,
We've got some problem with our cluster - it continuously reports failed
one osd and after
On Thu, Jul 18, 2013 at 3:49 AM, Andreas Bluemle
andreas.blue...@itxperts.de wrote:
Hi,
I am looking at ceph filesystem both via the kernel module
and ceph-fuse.
I am running on CentOS6.4 with
- kernel 3.8.13 (for ceph.ko) and
- ceph v0.61.4 userland components
I encounter an
On Thu, Jul 11, 2013 at 6:56 AM, Sylvain Munaut
s.mun...@whatever-company.com wrote:
Hi,
Okay thanks! A call in the C API would be handy. I was wanting to look
at creating a tool to sync RADOS between clusters. Is that anything
that's in the development plan already?
I was just thinking of
On Thu, Jul 11, 2013 at 2:03 AM, Yan, Zheng uker...@gmail.com wrote:
On Thu, Jul 11, 2013 at 3:53 PM, majianpeng majianp...@gmail.com wrote:
On Thu, Jul 11, 2013 at 9:17 AM, majianpeng majianp...@gmail.com wrote:
Although, mmap-write of ceph update the time of file using
On Tue, Jul 9, 2013 at 7:08 PM, Li Wang liw...@ubuntukylin.com wrote:
Hi,
We did a simple throughput test on Ceph with 2 OSD nodes configured
with one replica policy. For each OSD node, the throughput measured by 'dd'
run locally is 117MB/s. Therefore, in theory, the two OSDs could provide
Hi Daigo,
In the Ceph project we use tcmalloc by default for its much-improved
(over the standard) handling of memory fragmentation under our
workload.
Unfortunately, one of our users seems to have a discovered a memory
leak when running the standard Debian squeeze packages:
On Thu, Jun 6, 2013 at 12:25 AM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote:
Hi,
From the code, each pipe (contains a TCP socket) will fork 2
threads, a reader and a writer. We really observe 100+ threads per OSD daemon
with 30 instances of rados bench as clients.
But this
We don't have your logs (vger doesn't forward them). Can you describe
the situation more completely in terms of what failures occurred and
what steps you took?
(Also, this should go on ceph-users. Adding that to the recipients list.)
-Greg
Software Engineer #42 @ http://inktank.com |
On Thu, Jun 6, 2013 at 3:37 PM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote:
But in ceph_user,Mark, and some users are really discussing some supermicro
chassis that can have 24 spindles per 2u or 36/48 spindles per 4U
even with 20 osds per node,the thread num will more than 5000,and if take
On Tue, Jun 4, 2013 at 3:26 AM, Roman Alekseev rs.aleks...@gmail.com wrote:
Hello,
Please help me to understand op/s (operation per second) value in 'pgmap
v71520: 3352 pgs: 3352 active+clean; 212 GB data, 429 GB used, 23444 GB /
23874 GB avail; 89237KB/s wr, 24op/s' line?
What does
On Mon, Jun 3, 2013 at 8:47 AM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote:
Hi,
As my previous mail reported some weeks ago ,we are suffering from
OSD crash/ OSD Flipping / System reboot and etc, all these unstable issue
really stop us from digging further into ceph characterization.
to each OSD and almost no reads (yet).
What interface are you writing with? How many OSD servers are there?
-Greg
/Emil
On 21 May 2013 17:10, Gregory Farnum g...@inktank.com wrote:
That looks like an attempt at a 370MB memory allocation. :? What's the
memory use like on those nodes, and what's
On Tue, May 21, 2013 at 8:52 AM, Sylvain Munaut
s.mun...@whatever-company.com wrote:
So, AFAICT, the bulk of the write would be writing out the pgmap to
disk every second or so.
Is it really needed to write it in full ? It doesn't change all that
much AFAICT, so writing incremental changes
On Tue, May 21, 2013 at 9:01 AM, Emil Renner Berthing c...@esmil.dk wrote:
On 21 May 2013 17:55, Gregory Farnum g...@inktank.com wrote:
On Tue, May 21, 2013 at 8:44 AM, Emil Renner Berthing c...@esmil.dk wrote:
Hi Greg,
Here are some more stats on our servers:
- each server has 64GB ram
On Mon, May 13, 2013 at 9:10 AM, Harald Rößler harald.roess...@btd.de wrote:
Hi Together
is there a description of how a shared image works in detail? Can such
an image can be used for a shared file system on two virtual machine
(KVM) to mount. In my case, write on one machine and read only
On Mon, May 13, 2013 at 11:35 AM, Harald Rößler harald.roess...@btd.de wrote:
On Mon, 2013-05-13 at 18:55 +0200, Gregory Farnum wrote:
On Mon, May 13, 2013 at 9:10 AM, Harald Rößler harald.roess...@btd.de
wrote:
Hi Together
is there a description of how a shared image works in detail
On Friday we decided to kill off the CephFS standup for a while since
I'm about to move off the project for a while, and we don't have any
other regular reports for it. I'll be moving into the RGW standup next
week and will probably float around the core standup this week. Mark
is making
On Sat, May 4, 2013 at 11:47 AM, Noah Watkins jayh...@cs.ucsc.edu wrote:
On May 4, 2013, at 11:36 AM, Loic Dachary l...@dachary.org wrote:
On 05/04/2013 08:27 PM, Noah Watkins wrote:
On May 4, 2013, at 10:16 AM, Loic Dachary l...@dachary.org wrote:
it would be great to get feedback
On Wed, May 1, 2013 at 2:44 PM, Sage Weil s...@inktank.com wrote:
I added a blueprint for extending the crush rule language. If there are
interesting or strange placement policies you'd like to do and aren't able
to currently express using CRUSH, please help us out by enumerating them
on that
://inktank.com | http://ceph.com
-- Forwarded message --
From: Sage Weil s...@inktank.com
Date: Thu, Apr 18, 2013 at 1:41 PM
Subject: Re: use of osd_client's r_callback
To: Gregory Farnum g...@inktank.com
Cc: Alex Elder el...@inktank.com, Josh Durgin josh.dur...@inktank.com
It is a bit
On Mon, Apr 29, 2013 at 4:49 AM, Dyweni - Ceph-Devel
ys3fpfe2y...@dyweni.com wrote:
Hello List!
I'd like to report the following bug.
# ceph -v
ceph version 0.60 (f26f7a39021dbf440c28d6375222e21c94fe8e5c)
Mount.ceph command still attempts to load the ceph (ceph fs) kernel module
even
On Thu, Apr 25, 2013 at 8:01 PM, Dyweni - Ceph-Devel
ys3fpfe2y...@dyweni.com wrote:
Hi All (again),
I'm specific interested in POSIX advisory locks... as referred to by
SQLite Version 3 (http://www.sqlite.org/lockingv3.html, section 6).
I want to store a set of SQLite database files on a
Yeah, looking again... (and at your logs, too).
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Fri, Apr 26, 2013 at 12:57 PM, Mike Dawson
mike.daw...@scholarstack.com wrote:
Oops. Looks like you are already on next.
Greg,
Perhaps the issue still exists?
- Mike
On
On Thu, Apr 25, 2013 at 1:17 AM, Loic Dachary l...@dachary.org wrote:
Hi,
In the context of the implementation of
http://wiki.ceph.com/01Planning/02Blueprints/Dumpling/Erasure_encoding_as_a_storage_backend
I'm preparing tests to assert that the modifications that will be made to the
On Thu, Apr 25, 2013 at 11:28 AM, Loic Dachary l...@dachary.org wrote:
On 04/25/2013 06:45 PM, Gregory Farnum wrote:
On Thu, Apr 25, 2013 at 1:17 AM, Loic Dachary l...@dachary.org wrote:
Hi,
In the context of the implementation of
http://wiki.ceph.com/01Planning/02Blueprints/Dumpling
On Sat, Apr 20, 2013 at 10:51 PM, James Harper
james.har...@bendigoit.com.au wrote:
[ This is a good query for ceph-users. ]
Well... this is embarrassing. In reading the docs at
http://ceph.com/docs/master/start/get-involved/ there was no mention of a
users list so I just assumed there
[ This is a good query for ceph-users. ]
On Sat, Apr 20, 2013 at 10:15 PM, James Harper
james.har...@bendigoit.com.au wrote:
I'm doing some testing with ceph trying to figure out why my performance is
so bad, and have noticed that there doesn't seem to be a way to cleanly stop
an osd, or at
Thanks! I merged these into next (going to be Cuttlefish) in commits
f379ce37bfdcb3670f52ef47c02787f82e50e612 and
87634d882fda80c4a2e3705c83a38bdfd613763f.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Wed, Apr 17, 2013 at 11:43 PM, Kuan Kai Chiu big.c...@bigtera.com
This looks good to me, and I got Sage to review the second patch as
well. These are both merged into the next branch — thanks!
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Fri, Apr 12, 2013 at 1:11 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng
On Wed, Apr 17, 2013 at 3:02 PM, Steve Barber steve.bar...@nist.gov wrote:
On Wed, Apr 17, 2013 at 04:49:53PM -0400, Jeff Mitchell wrote in
another thread:
... If you
set up the OSDs such that each OSD is based off of a ZFS mirror, you
get these benefits locally. For some people, especially
On Wed, Apr 17, 2013 at 4:02 PM, Steve Barber steve.bar...@nist.gov wrote:
On Wed, Apr 17, 2013 at 06:23:43PM -0400, Gregory Farnum wrote:
On Wed, Apr 17, 2013 at 3:02 PM, I wrote:
In particular, has anyone tried making a big RAID set (of any type) and
carving out space (logical volumes
On Mon, Apr 15, 2013 at 3:23 AM, Kuan Kai Chiu big.c...@bigtera.com wrote:
MDS crashes while journaling dirty root inode in handle_client_setxattr
and handle_client_removexattr. We should use journal_dirty_inode to
safely log root inode here.
---
src/mds/Server.cc |6 ++
1 file
On Fri, Apr 12, 2013 at 12:41 PM, Jim Schutt jasc...@sandia.gov wrote:
Hi Greg,
On 04/10/2013 06:39 PM, Gregory Farnum wrote:
Jim,
I took this patch as a base for setting up config options which people
can tune manually and have pushed those changes to wip-leveldb-config.
I was out
is less
busy.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
发自我的 iPhone
在 2013-4-13，0:20，Gregory Farnum g...@inktank.com 写道：
I was in the middle of writing a response to this when Mark's email
came in, so I'll just add a few things:
On Fri, Apr 12, 2013 at 9:08 AM, Mark
On Mon, Apr 15, 2013 at 10:19 AM, Olivier Bonvalet ceph.l...@daevel.fr wrote:
Le lundi 15 avril 2013 à 10:16 -0700, Gregory Farnum a écrit :
Are you saying you saw this problem more than once, and so you
completely wiped the OSD in question, then brought it back into the
cluster, and now it's
Have you made any changes from the default settings? That assert
indicates the MDS couldn't load some data that it needed; the two most
likely things are that the data doesn't exist or that the MDS isn't
allowed to access it due to some permissions problem on the pool in
question.
-Greg
Software
I was in the middle of writing a response to this when Mark's email
came in, so I'll just add a few things:
On Fri, Apr 12, 2013 at 9:08 AM, Mark Nelson mark.nel...@inktank.com wrote:
On 04/11/2013 10:59 PM, Matthias Urlichs wrote:
As I understand it, in Ceph one can cluster storage nodes, but
On Fri, Apr 12, 2013 at 5:19 PM, Drunkard Zhang gongfan...@gmail.com wrote:
2013/4/13 Gregory Farnum g...@inktank.com:
Have you made any changes from the default settings? That assert
Do you means one of these settings?
auth cluster required = cephx
auth service required = cephx
auth client
It's more or less a Ceph bug; the patch fixing this is in the 3.9-rc's
(although it should backport trivially if you're willing to build a
kernel: 92a49fb0f79f3300e6e50ddf56238e70678e4202). You can look at
http://tracker.ceph.com/issues/3793 if you want details.
-Greg
Software Engineer #42 @
Yup, that is a change to not use entropy and to short-circuit if we
only have one choice. And this function has no side effects so it just
needs to return an int.
Reviewed-by: Greg Farnum g...@inktank.com
Software Engineer #42 @ http://inktank.com | http://ceph.com
On Wed, Apr 10, 2013 at 8:05
Jim,
I took this patch as a base for setting up config options which people
can tune manually and have pushed those changes to wip-leveldb-config.
Thanks very much for figuring out how to set up the cache et al!
For now I restructured quite a bit of the data ingestion, and I took
your defaults
On Fri, Apr 5, 2013 at 10:46 AM, Dimitri Maziuk dmaz...@bmrb.wisc.edu wrote:
On 04/05/2013 12:32 PM, Gregory Farnum wrote:
...
Or just a VM running somewhere that's got a VPN connection to your
room-based monitors, yes. Ceph is a strongly consistent system and
you're not going to get split
On Wed, Apr 3, 2013 at 10:09 AM, Jim Schutt jasc...@sandia.gov wrote:
Hi Sage,
On 04/03/2013 09:58 AM, Sage Weil wrote:
Hi Jim,
What happens if you change 'osd mon ack timeout = 300' (from the
default of 30)? I suspect part of the problem is that the mons are just
slow enough that the
On Wed, Apr 3, 2013 at 10:14 AM, Gregory Farnum g...@inktank.com wrote:
On Wed, Apr 3, 2013 at 10:09 AM, Jim Schutt jasc...@sandia.gov wrote:
Hi Sage,
On 04/03/2013 09:58 AM, Sage Weil wrote:
Hi Jim,
What happens if you change 'osd mon ack timeout = 300' (from the
default of 30)? I
On Wed, Apr 3, 2013 at 3:40 PM, Jim Schutt jasc...@sandia.gov wrote:
On 04/03/2013 12:25 PM, Sage Weil wrote:
Sorry, guess I forgot some of the history since this piece at least is
resolved now. I'm surprised if 30-second timeouts are causing issues
without those overloads you were
On Mon, Apr 1, 2013 at 1:46 AM, Yan, Zheng zheng.z@intel.com wrote:
On 03/17/2013 10:51 PM, Yan, Zheng wrote:
From: Yan, Zheng zheng.z@intel.com
This serie fixes issues I encountered when running random MDS restart tests.
With these patches, my 3 MDS setup that runs fsstress +
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng zheng.z@intel.com
Table client/server should send request/reply when the peer is active.
Anchor query is an exception, because MDS in rejoin stage may need
fetch files before sending rejoin ack, the
I believe this patch has been outdated thanks to the tid exchange
you're doing now, right?
-Greg
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng zheng.z@intel.com
Anchor client re-sends queries when the anchor server becomes active.
So it's
Yep, this all looks good in your tree now.
Reviewed-by: Greg Farnum g...@inktank.com
On Thu, Mar 21, 2013 at 8:04 PM, Yan, Zheng zheng.z@intel.com wrote:
On 03/22/2013 01:59 AM, Gregory Farnum wrote:
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng
Updated version looks good.
Reviewed-by: Greg Farnum g...@inktank.com
On Tue, Mar 26, 2013 at 12:21 AM, Yan, Zheng zheng.z@intel.com wrote:
Updated update
Thanks
Yan, Zheng
--
From c1d3576556f5ad2849d3079845dc26ef7612e8d3 Mon Sep 17 00:00:00 2001
From: Yan, Zheng
The OSDs expect the underlying filesystem to keep their data clean and
fail-crash in order to prevent accidentally introducing corruption
into the system. There's some ongoing work to make that a little
friendlier, but it's not done yet.
-Greg
On Wed, Mar 20, 2013 at 11:55 AM, Dyweni - Ceph-Devel
On Wednesday, March 27, 2013 at 1:59 AM, Wido den Hollander wrote:
Hi,
While working with rados_pool_list I stumbled upon what I think is a
documentation issue.
librados.h tells me this:
/**
* List objects in a pool
*
* Gets a list of pool names as NULL-terminated strings. The
On Thu, Mar 21, 2013 at 8:05 PM, Yan, Zheng zheng.z@intel.com wrote:
On 03/22/2013 05:23 AM, Gregory Farnum wrote:
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng zheng.z@intel.com
For MDS cluster, not all file system namespace operations
On Fri, Mar 22, 2013 at 3:58 PM, Sage Weil s...@inktank.com
(mailto:s...@inktank.com) wrote:
On Fri, 22 Mar 2013, Gregory Farnum wrote:
I suspect users are going to easily get in trouble without a more
rigid separation between multi-linked and single-linked buckets. It's
probably best
On Sun, Mar 24, 2013 at 5:04 PM, Sage Weil s...@inktank.com wrote:
On Sun, 24 Mar 2013, Gregory Farnum wrote:
On Fri, Mar 22, 2013 at 3:58 PM, Sage Weil s...@inktank.com
(mailto:s...@inktank.com) wrote:
On Fri, 22 Mar 2013, Gregory Farnum wrote:
I suspect users are going to easily get
On Fri, Mar 22, 2013 at 3:38 PM, Sage Weil s...@inktank.com wrote:
There's a branch pending that lets you do the remainder of the most common
crush map changes via teh cli. The command set breaks down like so:
Updating leaves (devices):
ceph osd crush set osd-id weight loc1 [loc2 ...]
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng zheng.z@intel.com
For MDS cluster, not all file system namespace operations that impact
multiple MDS use two phase commit. Some operations use dentry link/unlink
message to update replica dentry's
On Wed, Mar 20, 2013 at 7:22 PM, Yan, Zheng zheng.z@intel.com wrote:
On 03/21/2013 02:40 AM, Greg Farnum wrote:
The idea of this patch makes sense, but I'm not sure if we guarantee that
each daemon sees every map update — if they don't then if an MDS misses the
map moving an MDS into
On Wed, Mar 20, 2013 at 9:15 PM, Sage Weil s...@inktank.com wrote:
On Thu, 21 Mar 2013, Yan, Zheng wrote:
On 03/21/2013 05:19 AM, Greg Farnum wrote:
On Sunday, March 17, 2013 at 7:51 AM, Yan, Zheng wrote:
From: Yan, Zheng zheng.z@intel.com
Replicated objects need to be added into the
On Wed, Mar 20, 2013 at 7:55 PM, Yan, Zheng zheng.z@intel.com wrote:
On 03/21/2013 05:56 AM, Gregory Farnum wrote:
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng zheng.z@intel.com
When MDS cluster is resolving, current behavior is sending
Went over those mechanisms quickly but a bit more carefully; looks good.
Reviewed-by: Greg Farnum g...@inktank.com
On Wed, Mar 20, 2013 at 8:20 PM, Gregory Farnum g...@inktank.com wrote:
This looks good on its face but I haven't had the chance to dig
through the recovery queue stuff yet (it's
On Wed, Mar 20, 2013 at 11:41 PM, Yan, Zheng zheng.z@intel.com wrote:
On 03/21/2013 07:33 AM, Gregory Farnum wrote:
This needs to handle versioning the encoding based on peer feature bits too.
On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng zheng.z@intel.com wrote:
From: Yan, Zheng
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