Changing default 64k hdd min alloc size to 8k saved me 8 terabytes of disk space on cephfs with 150 million small files. You will need to redeploy OSDs for change to take effect.
> On 30.07.2018, at 22:37, Anton Aleksandrov <an...@aleksandrov.eu> wrote: > > Yes, that is what i see in my test in regard to space. Can min alloc size be > changed?
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