On Thursday 20 January 2005 11:01 am, Robert Olsson wrote:
> Jeremy M. Guthrie writes:
> > > > 1024 buffers on the RX of eth3.
> > > >
> > > > echo 86400 > /proc/sys/net/ipv4/route/secret_interval
> > > > echo 524288 > /proc/sys/net/ipv4/route/gc_thresh
> > >
> > > rhash_entries?
> >
> > I left that at 2.4 million.
> >
> > > > It appears to be cruising right along now.
> >
> > size IN: hit tot mc no_rt bcast madst masrc OUT: hit tot
> > mc GC: tot ignored goal_miss ovrf HASH: in_search out_search
> > 524291 74169 779 0 0 0 0 0 2 0
> > 1610369017 516 0 0 0 43612 0
> > 524287 74830 777 0 0 0 0 0 6 0
> > 0 498 0 0 0 40504 1
> > 524285 77458 949 0 0 0 0 0 4 0
> > 0 619 0 0 0 42731 1
>
> Linear search is under control and number of dst entries very high but
> very constant at the cost of calling GC a number of times second. But I
> don't understand why we do not see any GC ignored.
When does GC normally ignore?
> Did you ever write to
> gc_min_interval in proc?
I left /proc/sys/net/ipv4/route/gc_min_interval at zero.
> Never seen rtstat's like this but it seems to do the job.
More numbers from right now with higher PPS rate.
size IN: hit tot mc no_rt bcast madst masrc OUT: hit tot mc
GC: tot ignored goal_miss ovrf HASH: in_search out_search
524291 92192 848 0 0 0 0 0 17 0
537114631 553 0 0 0 50947 18
524287 95496 846 0 0 0 0 0 4 0
1610369017 539 0 0 0 52000 4
524293 98503 791 0 0 0 0 0 7 0
0 525 0 0 0 53119 3
524290 98711 965 0 0 0 0 0 3 0
0 626 0 0 0 53448 3
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Jeremy M. Guthrie jeremy.guthrie@xxxxxxxxxx
Senior Network Engineer Phone: 608-298-1061
Berbee Fax: 608-288-3007
5520 Research Park Drive NOC: 608-298-1102
Madison, WI 53711
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