Troubleshooting erratic network performance

[Jamon Camisso]

ted leslie wrote:
> i ran into similar issue, but with mine, 
> it was a iptables
> 
>  limit: avg ####/sec burst #  
> 
> type policy, that got exceeded,
> 
> as limit was hit, some people noticed issue, as it was really hit hard, everyone got timeouts.
> 
> you're fine one minute, then the threshold get hits, and boom! users start refreshing away, 
> starts a queue, then the limit is almost always being exceeded, and it melts down,
> 
> as long as your sure no errors or drops in ifconfig, you can rule out  duplex issue to the switch.
> 
> i assume you check the apache error logs?
> 
> i assume with no one hitting it, you get perfect responce?
> to rule aid more in ruling in or out the web server (vs. network), you could 
> use iptables to forward traffic to one of the other boxes.
> 
> as for the arp cache,
> just config the ethernet card (new one), or new box with the same MAC address, to remove the 6 hour cache issue.
> 
> -tl

Hardware swap, no luck. Same problem.. Boo!

Jamon
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