Messages in this thread | | | Subject | Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB | From | Arjan van de Ven <> | Date | Tue, 18 Apr 2006 09:30:07 +0200 |
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On Tue, 2006-04-18 at 09:14 +0200, Laurent Vivier wrote: > Le lun 17/04/2006 à 23:32, Ravikiran G Thirumalai a écrit : > > On Mon, Apr 17, 2006 at 11:09:36PM +0200, Arjan van de Ven wrote: > > > On Mon, 2006-04-17 at 14:07 -0700, Ravikiran G Thirumalai wrote: > > > > > > > > > > > > I ran the same tests on a 16 core EM64T box very similar to the one > > > > you ran > > > > dbench on :). Dbench results on ext3 varies quite a bit. I couldn't > > > > get > > > > to a statistically significant conclusion For eg, > > > > > > > > > dbench is not a good performance benchmark. At all. Don't use it for > > > that ;) > > > > Agreed. (I did not mean to use it in the first place :). I was just trying > > to verify the benchmark results posted earlier) > > > > Thanks, > > Kiran > > What is the good performance benchmark to know if we should use atomic_t > instead of percpu_counter ?
you probably want something like postal/postmark instead or so (although that's not ideal either), at least that's reproducable
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