On Thu, Aug 19, 2021 at 12:40 AM Marc <Marc@xxxxxxxxxxxxxxxxx> wrote: > > > > > https://docs.google.com/spreadsheets/d/1AXj9h0yDc2ztFWuptqcTrNU2Ui3wMyAn > > 6QUft3CPdcc/edit?usp=sharing > > > > > > The gist of it is that on the read path, crimson+cyanstore is > > significantly more efficient than crimson+alienstore and any classic > > setup. We are slower in terms of absolute performance, but that's > > expected to be the case until the multi-reactor work is done. The > > thinking right now is that we probably have some optimization we can do > > alienstore and of course bluestore as well (We have ongoing work > > there). On the write path things are a little murkier. Cyanstore for > > some reason is more efficient with very small and very large datasets > > but not the middle size case. alienstore/bluestore and classic memstore > > efficiency seems to drop overall as the dataset size grows. In fact > > classic memstore is significantly less efficient on the write path than > > bluestore is and this isn't the first dataset to show this. > > > > Sorry for maybe asking out of scope, but I am curious. I think I tried asking once on such video conference one can join. But how is this new crimson osd being developed? > > - Are you designing/developing this completely in-house? > - Are you cooperating with some university (or other external party) that discovered some new technology? > - Are you sharing knowledge with other software defined storage solutions? > - How much % of the work on crimson would you characterize as own innovation and how % as applying already available technology? There's a weekly Crimson meeting on the public Ceph community calendar, and all the code is in the normal git repository. The regular attendees and contributors are more company-diverse than most of our regular standups. -Greg > > > _______________________________________________ > 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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