Re: Ceph RBD, MySQL write IOPs - what is possible?

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> ...
> > > > I get about 2000 IOPs with this test:
> > > >
> > > > # rados bench -p volumes 10 write -t 8 -b 16K
> > > > hints = 1
> > > > Maintaining 8 concurrent writes of 16384 bytes to objects of size
> > > > 16384 for up to 10 seconds or 0 objects
> > > > Object prefix: benchmark_data_fstosinfra-5_3652583
> > > >  sec Cur ops   started  finished  avg MB/s  cur MB/s last lat(s)

I read quite some time ago here that it is possible to do some local caching for an rbd. I think this would increase the iops considerably. But you have to search for this can't really remember how it is called / done.
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