Jason: librbd itself uses the librados C++ api though, right? -Sam
On Wed, Jan 11, 2017 at 9:37 AM, Jason Dillaman <[email protected]> wrote: > +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 <[email protected]> > 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 >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > -- > Jason > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
