Re: RADOS + deep scrubbing performance issues in production environment

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On Mon, Jan 27, 2014 at 01:10:23PM -0500, Kyle Bader wrote:
> > Are there any tools we are not aware of for controlling, possibly pausing,
> > deep-scrub and/or getting some progress about the procedure ?
> > Also since I believe it would be a bad practice to disable deep-scrubbing do you
> > have any recommendations of how to work around (or even solve) this issue ?
> 
> The periodicity of scrubs is controllable with these tunables:
> 
> osd scrub max interval
> osd deep scrub interval
> 
> You may also be interested in adjusting:
> 
> osd scrub load threshold
> 
> More information on the docs page:
> 
> http://ceph.com/docs/master/rados/configuration/osd-config-ref/#scrubbing
> 
> Hope that helps some!
> 

Thanks Kyle but this does not solve the performance degradation when the deep
scrubbing is actually running. Plus, it can take several days to complete.

Kind Regards,
-- 
Filippos
<philipgian@xxxxxxxx>
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