arp(8) performance w/ many aliases assigned to an interface
ncrogers at gmail.com
Wed Jun 9 21:56:29 UTC 2010
That worked great:
[root@ /usr/src/usr.sbin/arp]# time /usr/sbin/arp -na | wc -l
[root@ /usr/src/usr.sbin/arp]# time ./arp -na | wc -l
Thanks a lot, I have been trying to get a meaningful response on this issue
for about a week now. Guess I finally got the right list. Thanks again!
Can this change make it into 8.1-RELEASE?
On Wed, Jun 9, 2010 at 5:30 PM, Max Laier <max at love2party.net> wrote:
> On Wednesday 09 June 2010 23:21:05 Max Laier wrote:
> > Hello Nick,
> > On Wednesday 09 June 2010 20:17:43 Nick Rogers wrote:
> > > Is there something that can be done to speedup the call to
> > > if_indextoname(), or would it be worthwhile for me to submit a patch
> > > adds the ability to skip the interface lookup as an arp(8) option?
> > how about the attached:
> > # time arp -an > /dev/null
> > 0.171u 0.462s 0:00.63 100.0% 21+1538k 0+0io 0pf+0w
> > # time arp.patched -an > /dev/null
> > 0.005u 0.000s 0:00.00 0.0% 0+0k 0+0io 0pf+0w
> > # arp -an | wc -l
> > 1095
> > I'll commit this soon unless somebody objects.
> ... make that s/long/int64_t/ ... I keep forgetting that long is 32bit
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