arp(8) performance w/ many aliases assigned to an interface
Max Laier
max at love2party.net
Wed Jun 9 22:25:15 UTC 2010
On Wednesday 09 June 2010 23:56:27 Nick Rogers wrote:
> 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!
I saw your post before on -net etc, just never found the time ... and then I
forgot. So it was more the right timing, than the right list :-)
> Can this change make it into 8.1-RELEASE?
It looks like it might be too late, I'll ask once the HEAD commit is done, but
I wouldn't count on it.
> 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
> >
> > that
> >
> > > > 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
> > sometimes.
>
> !DSPAM:4c100e18981892214220659!
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