Re: Chunk size in Ceph

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Thanks a lot! :-)

Best Regards
     Christian 

Am Montag, 28. Juni 2010 schrieb Alex‎ Nelson:
> Hello all,
> 
> Sage informed me of the place where the default size is set a while back.  In src/config.cc, the struct g_default_file_layout has a few default size parameters.  He advised me that fl_stripe_unit and fl_object_size should be the same.  He also told me there's a way to set those on individual files, though that's potentially a pain and could be easier by just setting the default at compile time.
> 
> There's also a feature request in on alternate methods of setting these.  I'm sure the Ceph team would welcome input on this.
> 
> http://tracker.newdream.net/issues/185
> 
> --Alex
> 
> 
> On Jun 28, 2010, at 08:53 , Thomas Mueller wrote:
> 
> > Am Mon, 28 Jun 2010 16:27:54 +0200 schrieb Christian Baun:
> > 
> >> Hi,
> >> 
> >> What is the chunk size of Ceph?
> >> I couldn't find this information.
> >> 
> >> Best Regards
> >>   Christian
> > 
> > IMHO 4mb 
> > 
> > found in first link if I google "ceph chunk size":
> > http://lmgtfy.com/?q=ceph+chunk+size
> > 
> > (http://www.usenix.org/events/fast09/wips_posters/molina_wip.pdf)
> > 
> > :)
> > 
> > - Thomas
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