I have the same question about when recovery is going to happen! I think recovering from second and third OSD can lead to not impact client IO too when the primary OSD has another recovery ops! On Tue, Feb 9, 2021 at 1:28 PM mj <lists@xxxxxxxxxxxxx> wrote: > Hi, > > Quoting the page https://docs.ceph.com/en/latest/architecture/ > > > location query over a chatty session. The CRUSH algorithm allows a > > client to compute where objects should be stored, and enables the > > client to contact the primary OSD to store or retrieve the objects. > > So clients contact the *primary* OSD to store/retrieve objects. > > Why do clients not contact secondary (or even tertiary) OSDs for reading > data? Would that not (potentially) result in greatly improved > performance..? > > I'm sure there are good reasons for the current behaviour, but it seems > logical, since you have multiple copies of the same data, to try and use > the nearest copy? > > Curious :-) > > MJ > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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