Re: Inject configuration change into cluster

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On Mon, 17 Sep 2012 08:36:09 +0200, Sławomir Skowron <szibis@xxxxxxxxx>
wrote:
> Ok, i will try, but i have all day meeting today, and tomorrow.
> 
> One more question, is there any way to check configuration not from
> ceph.conf, but from running daemon in cluster ??

You can do this with the admin socket:

ceph --admin-daemon /path/to/admin/socket show config

Josh

> 
> On Fri, Sep 14, 2012 at 9:12 PM, Sage Weil <sage@xxxxxxxxxxx> wrote:
>> Hi,
>>
>> <On Wed, 5 Sep 2012, Skowron S?awomir wrote:
>>> Dnia 5 wrz 2012 o godz. 17:53 "Sage Weil" <sage@xxxxxxxxxxx> napisa?(a):
>>>
>>> > On Wed, 5 Sep 2012, S?awomir Skowron wrote:
>>> >> Ok, but in global case, when i use, a chef/puppet or any other, i wish
>>> >> to change configuration in ceph.conf, and reload daemon to get new
>>> >> configuration changes from ceph.conf, this feature would be very
>>> >> helpful in ceph administration.
>>> >>
>>> >> Inject is ok, for testing, or debuging.
>>> >
>>> > Opened http://tracker.newdream.net/issues/3086.  There is already an issue
>>> > open for reloading the config file,
>>> > http://tracker.newdream.net/issues/2459.
>>> >
>>>
>>> Thanks. This is what i mean.
>>> Is this feature have a chance, to be implemented in next months ??
>>
>> I pushed a branch, wip-tp, that implements this.  Want to give it a spin?
>> Just inject the config option change (via the admin socket or injectargs)
>> and it'll resize the thread pool.
>>
>> sage
>>
>>>
>>> > sage
>>> >
>>> >>
>>> >> On Tue, Sep 4, 2012 at 5:34 PM, Sage Weil <sage@xxxxxxxxxxx> wrote:
>>> >>> On Tue, 4 Sep 2012, Wido den Hollander wrote:
>>> >>>> On 09/04/2012 10:30 AM, Skowron S?awomir wrote:
>>> >>>>> Ok, thanks.
>>> >>>>>
>>> >>>>> Number of workers used for recover, or numer of disk threads.
>>> >>>>>
>>> >>>>
>>> >>>> I think those can be changed while the OSD is running. You could always give
>>> >>>> it a try.
>>> >>>
>>> >>> The thread pool sizes can't currently be adjusted, unfortunately.  It
>>> >>> wouldn't be too difficult to change that...
>>> >>>
>>> >>> sage
>>> >>>
>>> >>>>
>>> >>>> Wido
>>> >>>>
>>> >>>>> -----Original Message-----
>>> >>>>> From: Wido den Hollander [mailto:wido@xxxxxxxxx]
>>> >>>>> Sent: Tuesday, September 04, 2012 10:18 AM
>>> >>>>> To: Skowron S?awomir
>>> >>>>> Cc: ceph-devel@xxxxxxxxxxxxxxx
>>> >>>>> Subject: Re: Inject configuration change into cluster
>>> >>>>>
>>> >>>>> On 09/04/2012 07:04 AM, Skowron S?awomir wrote:
>>> >>>>>> Is there any way now, to inject new configuration change, without
>>> >>>>>> restarting daemons ??
>>> >>>>>>
>>> >>>>>
>>> >>>>> Yes, you can use the injectargs command.
>>> >>>>>
>>> >>>>> $ ceph osd tell 0 injectargs '--debug-osd 20'
>>> >>>>>
>>> >>>>> What do you want to change? Not everything can be changed while the OSD is
>>> >>>>> running.
>>> >>>>>
>>> >>>>> Wido
>>> >>>>>
>>> >>>>>> Regards
>>> >>>>>>
>>> >>>>>> Slawomir Skowron--
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>>> >>>>>
>>> >>>>> N???????????????r??????y?????????b???X???????v???^???)?{.n???+?????????z???]z???{ay??? ?????,j ??????f?????????h?????????z??? ???w?????????
>>> >>>>> ?????????j:+v?????????w???j???m???????????? ????????????zZ+???????j"??????!tml=
>>> >>>>>
>>> >>>>
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>>> >>
>>> >>
>>> >> --
>>> >> -----
>>> >> Pozdrawiam
>>> >>
>>> >> S?awek "sZiBis" Skowron
>>> >>
>>> >>
>>>

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