> Jack Vogel wrote:
> > On 8/30/06, Danny Braniss <[EMAIL PROTECTED]> wrote:
> >>
> >> ever since 6.1 I've seen fluctuations in the performance of
> >> the em (Intel(R) PRO/1000 Gigabit Ethernet).
> >>
> >> motherboard OBN (On Board NIC)
> >>
Jack Vogel wrote:
> On 8/30/06, Danny Braniss <[EMAIL PROTECTED]> wrote:
>>
>> ever since 6.1 I've seen fluctuations in the performance of
>> the em (Intel(R) PRO/1000 Gigabit Ethernet).
>>
>> motherboard OBN (On Board NIC)
>>
> >
> >Any help?
> >
> >danny
>
> Have discussed this some internally, the best idea I've heard is that
> UDP is not giving us the interrupt rate that TCP would, so we end up
> not cleaning up as often, and thus descriptors might not be as quickly
> available.. Its just speculation at this
On 8/30/06, Danny Braniss <[EMAIL PROTECTED]> wrote:
ever since 6.1 I've seen fluctuations in the performance of
the em (Intel(R) PRO/1000 Gigabit Ethernet).
motherboard OBN (On Board NIC)
--
1- Intel SE
Hi,
1) Have you made sure there are no NFS rexmits reported by nfsstat -c ?
2) I haven't run thruput tests lately, but when I tested NFS/UDP thruput a
few months ago, I routinely got over 70MB/s sequential read thruput
and over 80MB/s sequential write thruput (against filers). I use
test 1: writing to a NetApp filer via NFS/UDP
FreeBSD Linux
MegaBytes/sec
1- Average: 18.48 32.61
2- Average: 15.69 35.72
3- Average: 16.61 29.69
(interstingly, doing NFS/TCP instead of NFS/UDP shows an increas
