On Mon, Sep 30, 2013 at 5:33 PM, Sage Weil <sage@xxxxxxxxxxx> wrote: > On Mon, 30 Sep 2013, Dan van der Ster wrote: >> Hi all, >> I just noticed that krbd supports mapping format v2 images in 3.11, >> but it doesn't yet support STRIPINGV2. Is this coming anytime soon? > > We don't have immediate plans to add the striping feature. You may be the > first person to ask for it. :) One of our students ran some preliminary tests under qemu and found that fancy striping was worth turning on for his tests at least. We will re-run the tests over the next couple weeks and fully quantify how much it helps our typical use-cases. Cheers, Dan > The challenge is that it requires a fair bit of refactoring in the > osd_client layer to do scatter/gather type IO. The nice thing is that > this will equally benefit CephFS, which supports the same range of > striping configurations. > > sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html