I'm pretty certain it just assumes your only specifying a DB partition if it's faster than the data and only specifying the WAL partition if it's faster than the data and DB. It just trusts that your doing it right.
On Sun, Aug 19, 2018, 7:58 PM Nigel Williams <nigel.willi...@tpac.org.au> wrote: > > On 18 August 2018 at 03:06, David Turner <drakonst...@gmail.com> wrote: > >> The WAL will choose the fastest device available. >> > > Any idea how it makes this determination automatically? is it doing a > hdparm -t or similar? is fastest=bandwidth, IOPs or latency? > > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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