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 <s.priebe@xxxxxxxxxxxx> 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 > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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