Re: [Ceph-maintainers] v0.67.11 dumpling released

[Loic Dachary <loic@dachary.org>]

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Hi,

On 25/09/2014 17:53, Sage Weil wrote:
> On Thu, 25 Sep 2014, Mike Dawson wrote:
>> On 9/25/2014 11:09 AM, Sage Weil wrote:
>>> v0.67.11 "Dumpling"
>>> ===================
>>>
>>> This stable update for Dumpling fixes several important bugs that affect a
>>> small set of users.
>>>
>>> We recommend that all Dumpling users upgrade at their convenience.  If
>>> none of these issues are affecting your deployment there is no urgency.
>>>
>>>
>>> Notable Changes
>>> ---------------
>>>
>>> * common: fix sending dup cluster log items (#9080 Sage Weil)
>>> * doc: several doc updates (Alfredo Deza)
>>> * libcephfs-java: fix build against older JNI headesr (Greg Farnum)
>>> * librados: fix crash in op timeout path (#9362 Matthias Kiefer, Sage Weil)
>>> * librbd: fix crash using clone of flattened image (#8845 Josh Durgin)
>>> * librbd: fix error path cleanup when failing to open image (#8912 Josh
>>> Durgin)
>>> * mon: fix crash when adjusting pg_num before any OSDs are added (#9052
>>>    Sage Weil)
>>> * mon: reduce log noise from paxos (Aanchal Agrawal, Sage Weil)
>>> * osd: allow scrub and snap trim thread pool IO priority to be adjusted
>>>    (Sage Weil)
>>
>> Sage,
>>
>> Thanks for the great work! Could you provide any links describing how to tune
>> the scrub and snap trim thread pool IO priority? I couldn't find these
>> settings in the docs.
> 
> It's 
> 
>  osd disk thread ioprio class = idle
>  osd disk thread ioprio priority = 0
> 
> Note that this is a short-term solution; we eventaully want to send all IO 
> through the same queue so that we can prioritize things more carefully.  
> This setting will most likely go away in the future.
> 

The documentation for these can be found at

http://ceph.com/docs/giant/rados/configuration/osd-config-ref/#operations

Control-f ioprio

Cheers

>> IIUC, 0.67.11 does not include the proposed changes to address #9487 or 
>> #9503, right?
> 
> Correct.  That will come later once it's gone through more testing.
> 
> Thanks!
> sage
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> 

-- 
Loïc Dachary, Artisan Logiciel Libre


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