Am 03.06.2014 20:55, schrieb Sushma R: > Haomai, > > I'm using the latest ceph master branch. > > ceph_smalliobench is a Ceph internal benchmarking tool similar to rados > bench and the performance is more or less similar to that reported by fio. > > I tried to use fio with rbd ioengine ( > http://telekomcloud.github.io/ceph/2014/02/26/ceph-performance-analysis_fio_rbd.html) > and below are the numbers with different workloads on our setup. > Note : fio rbd engine segfaults with randread IO pattern, only with LevelDB > (no issues with FileStore). With FileStore, performance of > ceph_smalliobench and fio-rbd is similar for READs, so the numbers for > randread for LevelDB are with ceph_smalliobench (since fio rbd segfaults).
Could you send me a backtrace of the segfault and some info about the ceph and fio version you used so that I can take a look at it? Thanks, Danny -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
