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> May be we can enable debug for short time when
> OPS is not working:
>
> # Start debug for 10ms
> echo 20 > /proc/sys/net/ipv4/vs/debug_level
> usleep 10000
> # Stop debug
> echo 0 > /proc/sys/net/ipv4/vs/debug_level
>
> You can show me such debug. The main thing to
> understand is where in IPVS the traffic is lost, the
> debug will be helpful, it should be no more than one
> page per packet. I need debug for one packet, something
> that you see is repeated in logs. May be due to the
> destination trash mechanism something is not set properly
> after the ipvsadm -C && ipvsadm -R sequence.
I'll provide those test result later.
So, about debug, do you mean when I find OPS is not working, then
cutoff the traffic, turn on debug with "echo 20 >
/proc/sys/net/ipv4/vs/debug_level", and then emulate the traffic with
a couple of packets, like this?
logger -d -n $VIP "hello, this is test"
Or, should I just enable debug for tiny time slice under high traffic?
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