Re: Where I can find the definition/meanings of options parameter in /src/common/config.cc

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On Thu, Apr 7, 2011 at 5:21 PM, Colin McCabe <cmccabe@xxxxxxxxxxxxxx> wrote:
> On Thu, Apr 7, 2011 at 10:09 AM, Yehuda Sadeh Weinraub
> <yehudasa@xxxxxxxxx> wrote:
>> On Thu, Apr 7, 2011 at 9:33 AM, Colin McCabe <cmccabe@xxxxxxxxxxxxxx> wrote:
>>> Hi AnnyRen,
>> ...
>>> Also, after using injectargs to change a setting related to logging,
>>> you must send the process a SIGHUP to get it to re-read its logging
>>> settings.
>>
>> I assume this is a relatively new requirement? Usually you'd send HUP
>> signal to re-read the conf file. When using injectargs, one would
>> assume that the new configuration was already updated. Moreover,
>> sending HUP signal to all your osds/mds/mons is awfully inconvenient.
>> Maybe we can just send the HUP signal in the appropriate handlers?
>
> Hi Yehuda.
>
> It's been this way for a long time, since 2009 at least. The problem
> is that there is no notification mechanism for when a configuration
> value changes. So we'll continue writing to the same logfile until
> someone informs us to re-read g_conf.logfile (or other logging
> configuration settings).
>
Right. From your original response I assumed that all things related
to logging needed that SIGHUP (e.g., setting the different log
levels), not just reloading the log file.

Thanks,
Yehuda
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