+1 I'd be happy to tweak the internals of librbd to support pass-through of C buffers all the way to librados. librbd clients like QEMU use the C API and this currently results in several extra copies (in librbd and librados). On Wed, Jan 11, 2017 at 11:44 AM, Piotr Dałek <piotr.dalek@xxxxxxxxxxxx> wrote: > Hello, > > As the subject says - are here any users/consumers of librados C API? I'm > asking because we're researching if this PR: > https://github.com/ceph/ceph/pull/12216 will be actually beneficial for > larger group of users. This PR adds a bunch of new APIs that perform object > writes without intermediate data copy, which will reduce cpu and memory load > on clients. If you're using librados C API for object writes, feel free to > comment here or in the pull request. > > > -- > Piotr Dałek > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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