Re: UDP performance.

"Dinesh" == Dinesh Nair <dinesh@xxxxxxxxxxxx> writes:

Dinesh> On Wed, 28 Feb 2007 01:06:33 -0800, Peter Losher
Dinesh> <Peter_Losher@xxxxxxx> wrote:

Ivan Voras wrote:

I agree in general, but MySQL performance is very exposed as an >
advocacy issue - it has traditionally been the source of statements
like "FreeBSD's threading implementation is weak/bad/broken".

And these days ISC can't consciously recommend FreeBSD for use on
high-traffic DNS servers because UDP performance has (frankly) gone
downhill since 5.x. [..snipped..]
http://lists.freebsd.org/pipermail/freebsd-net/2006-September/011748.html

Dinesh> if UDP performance in 6.x and 7.x has dropped, this could even
Dinesh> affect voip applications/servers such as asterisk when run on
Dinesh> FreeBSD. most all use RTP for media traffic and RTP is nearly
Dinesh> always UDP generating up to 50 packets per second per call per
Dinesh> direction.

Dinesh> 14,000+ packets per second is only about 140 calls.

Well... again, BIND is not a good indicator of UDP performance. A
non-trivial application can send and receive about 250k pps on
moderate hardware.

Dave.

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