вт, 2 мар. 2021 г. в 13:52, James Page <james.page@xxxxxxxxxxxxx>: (Disclaimer: I have never tried to run Ceph on bcache in production, and the test cluster was destroyed before reaching its first deep scrub) > b) turn off the sequential cutoff > > sequential_cutoff = 0 > > This means that sequential writes will also always go to the cache device > rather than the backing device Could you please explain the exact mechanics of the sequential cutoff? Does it only affect big sequential writes, or big sequential reads too? I am asking because of the potential of deep scrubs being cached instead of the "real" hot data. -- Alexander E. Patrakov CV: http://u.pc.cd/wT8otalK _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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