So, there is a set of us that have taken this discussion off list while we collect/share more data. Once we get a little further in diagnosis, we will summarize and bring the discussion back to the alias.
Spencer On Thu, Joe Little wrote: > well, here's my first pass result: > > [EMAIL PROTECTED] loges1]# time tar xf /root/linux-2.2.26.tar > > real 114m6.662s > user 0m0.049s > sys 0m1.354s > > > On 5/11/06, Roch Bourbonnais - Performance Engineering > <[EMAIL PROTECTED]> wrote: > > > >Joe Little writes: > > > How did you get the average time for async writes? My client (lacking > > > ptime, its linux) comes in at 50 minutes, not 50 seconds. I'm running > > > again right now for a more accurate number. I'm untarring from a local > > > file on the directory to the NFS share. > > > > > > >I used dtrace to measure times (I used the sleep time so it > >gives a ballpark figure). > > > >I untared with the tar file on the NFS share. > >Just retimed after moving the tar file to /tmp. > > > ># ptime tar xf /tmp/linux-2.2.22.tar > >ptime tar xf /tmp/linux-2.2.22.tar > > > >real 49.630 > >user 1.033 > >sys 11.405 > > > > > >-r > > > > > > > > On 5/11/06, Roch Bourbonnais - Performance Engineering > > > <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > # ptime tar xf linux-2.2.22.tar > > > > ptime tar xf linux-2.2.22.tar > > > > > > > > real 50.292 > > > > user 1.019 > > > > sys 11.417 > > > > # ptime tar xf linux-2.2.22.tar > > > > ptime tar xf linux-2.2.22.tar > > > > > > > > real 56.833 > > > > user 1.056 > > > > sys 11.581 > > > > # > > > > > > > > > > > > avg time waiting for async writes is around 3ms. > > > > How much are you getting for the tar xf ? > > > > > > > > -r > > > > > > > > > > > > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
