Hi Tommi, Thanks a lot for your help. i am trying to read the codes of ceph and get a deep understand of how it works with its components. but i find it very hard to get into it, can you give me some hint on how to read the codes efficiently? Thanks, Sheng On Mon, Oct 31, 2011 at 1:05 PM, Tommi Virtanen <tommi.virtanen@xxxxxxxxxxxxx> wrote: > On Fri, Oct 28, 2011 at 12:12, sheng qiu <herbert1984106@xxxxxxxxx> wrote: >> thanks for your help. i have built up the system and run postmark and >> iozone to get some performance data. my system contains two machine, >> one is set as monitor, mds and osd. another is set as mds and osd. >> each osd is a SSD with ext3. > > At this point, I would advise against running multiple active MDSes. > That configuration is not tested well enough, and might be the source > of all your troubles. > > Unfortunately, we do not currently have benchmarks we could share. Our > QA work is still currently focused on correctness under heavy stress, > not performance. > -- Sheng Qiu Texas A & M University Room 302 Wisenbaker email: herbert1984106@xxxxxxxxx College Station, TX 77843-3259 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
