On 09/25/2011 06:41 PM, JB wrote: > Terry Barnaby<terry1<at> beam.ltd.uk> writes: > >> ... >> # Test1, defaults: nfs version 4, sync >> Server /etc/exports: "/data *.kingnet(rw)" >> Client /etc/fstab: "king.kingnet:/data /data nfs defaults 0 0" >> >> dd if=/tmp/data.bin of=/data/tmp/data.bin bs=102400 >> 32.9 MB/s >> >> dd if=/data/tmp/data.bin of=/tmp/data1.bin bs=102400 >> 66.5 MB/s<+++++++++++++++++++++++++++++++++++++++++++++++++++ >> >> time tar -xf /tmp/jpgraph-3.5.0b1.tar >> real 9m35.235s<=========================================== >> >> time cp -a /tmp/jpgraph-3.5.0b1 /data/tmp >> real 6m6.373s >> >> # Test4, nfs version 3, sync >> Server /etc/exports: "/data *.kingnet(rw,async)" >> Client /etc/fstab: "king.kingnet:/data /data nfs defaults,nfsvers=3 0 0" >> >> dd if=/tmp/data.bin of=/data/tmp/data.bin bs=102400 >> 34.6 MB/s >> >> dd if=/data/tmp/data.bin of=/tmp/data1.bin bs=102400 >> 120 MB/s<+++++++++++++++++++++++++++++++++++++++++++++++++++ >> >> time tar -xf /tmp/jpgraph-3.5.0b1.tar >> real 4m20.355s<=========================================== >> >> time cp -a /tmp/jpgraph-3.5.0b1 /data/tmp >> real 6m8.394s >> ... > > The results marked (<===,<+++) show a regression for NFS v4 vice NFS v3, > a decline of 100% for each test case. > I think you should let them know (BZ report) - the type of test performed > would be of interest to them. > > I would suggest this as well: > to test by eliminating a possible problem with network, you could perform NFS > tests (as above) locally (on your client machine in question), that is, > install NFS server and client software locally, export some dir locally, and > mount the exported dir locally. > That is, you would mostly test the NFS software only. > > JB > > I don't think it is a network issue. iperf shows this as Ok as do the NFS tests with async set. Anyway a test with local nfs: time tar -xf /tmp/jpgraph-3.5.0b1.tar real 3m27.320s The local disk access speeds in both systems are fine. time (tar -xf /tmp/jpgraph-3.5.0b1.tar; sync) real 0m2.816s Cheers Terry -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
