"enough 4k read iop/s for multithreaded apps (around 23 000) with qemu 2.2.1."
That is very nice number if I'm allowed to comment - may I know what is your setup (in 2 lines, hardware, number of OSDs) ? Thanks On 10 September 2015 at 15:39, Jan Schermer <[email protected]> wrote: > Get faster CPUs (sorry, nothing else comes to mind). > What type of application is that and what exactly does it do? > > Basically you would have to cache it in rbd cache or pagecache in the VM > but that only works if the reads repeat. > > Jan > > > On 10 Sep 2015, at 15:34, Stefan Priebe - Profihost AG < > [email protected]> wrote: > > > > Hi, > > > > while we're happy running ceph firefly in production and also reach > > enough 4k read iop/s for multithreaded apps (around 23 000) with qemu > 2.2.1. > > > > We've now a customer having a single threaded application needing around > > 2000 iop/s but we don't go above 600 iop/s in this case. > > > > Any tuning hints for this case? > > > > Stefan > > _______________________________________________ > > 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 > -- Andrija Panić
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