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 > > > >
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