Throughput problems in RELENG_7

2007-10-25 Thread Matthew Reimer
I'm seeing a problem where a much faster quad-core host running RELENG_7 serves many fewer netrate/http requests per second (175/sec) than an old, busy, UP 6.0 host (828/sec). The problem seems to be related to latency and connection setup, as it shows up dramatically over a link with 50-60 ms late

Re: Call for performance evaluation: net.isr.direct (fwd)

2005-10-14 Thread Matthew Reimer
Poul-Henning Kamp wrote: > In message <[EMAIL PROTECTED]>, Andrew > Gallatin > writes: > >> > >What if somebody were to port the linux TSC syncing code, and use it >> > >to decide whether or not set kern.timecounter.smp_tsc=1? Would you >> > >object to that? >> > >> > Yes, I would object to th

Re: Packets don't flow from ng_netflow

2005-06-01 Thread Matthew Reimer
On Wednesday 01 June 2005 11:10 am, Maksim Yevmenkin wrote: > Matthew Reimer wrote: > > The problem is that no NetFlow packets are emitted unless I run tcpdump > > on dc0. Is this not a valid configuration? Or is there a bug in > > netgraph/ng_netflow? > > nope. tcp

Packets don't flow from ng_netflow

2005-06-01 Thread Matthew Reimer
I'm trying to use ng_netflow to monitor our network traffic but for some reason NetFlow packets aren't emitted unless tcpdump is running on the interface configured with ng_netflow. The box is running FreeBSD 4.11-STABLE and the latest ng_netflow from ports. It has two NICs: the main NIC fxp0 w