Re: [Suspicious newsletter] In theory - would 'cephfs root' out-perform 'rbd root'?

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Not really clear for me to be ho mnest how many cephfs is needed? Would it worth to create multiple or what is the use case to create multiple? In the examples and how people using it seems like only 1 cephfs + 1 metadata pool on nvme, not really multiple cephfs.

Doc just relates that if you want multiple cephfs what to do but not too much information about use case.

Istvan Szabo
Senior Infrastructure Engineer
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Agoda Services Co., Ltd.
e: istvan.szabo@xxxxxxxxx<mailto:istvan.szabo@xxxxxxxxx>
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On 2021. Jun 11., at 23:31, Harry G. Coin <hgcoin@xxxxxxxxx> wrote:

On any given a properly sized ceph setup, for other than database end
use) theoretically shouldn't a ceph-fs root out-perform any fs atop a
rados block device root?

Seems to me like it ought to: moving only the 'interesting' bits of
files over the so-called 'public' network should take fewer, smaller
packets than the overhead associated with whole blocks that hold some
fraction of the 'interesting' bits?

Does it work that way in practice?




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