Hi, Am 02.04.19 um 17:26 schrieb Stefan Priebe - Profihost AG: > Hello list, > > while running ceph on top of bcache i was using kernel 4.12 + a bunch of > bcache related fixed. > > This gave me 50 iop/s for ceph bench test (4MB sequential writes) in > writeback mode setting sequential_cutoff to 1MB. > > After upgrading to 4.19.32 in a test cluster i'm only getting 16-20 > iop/s for the same test. > > Has any significant changed in bcache? Any new tuning needed? i'm sorry does not seem to be bcache related. Greets, Stefan
