packet drop with intel gigabit / marwell gigabit
oxy at field.hu
Mon Mar 27 16:45:18 UTC 2006
i decided to give up, can't get rid of packet loss...
thank you all for your help!
----- Original Message -----
From: "Jin Guojun [VFFS]" <g_jin at lbl.gov>
To: "OxY" <oxy at field.hu>
Cc: "Lucas Holt" <luke at foolishgames.com>; "FreeBSD Mailing Lists"
<freebsd-performance at freebsd.org>; "Arne Woerner" <arne_woerner at yahoo.com>
Sent: Monday, March 27, 2006 5:51 AM
Subject: Re: packet drop with intel gigabit / marwell gigabit
> OxY wrote:
>> what kind of details should i attach? to analyze the problem?
> Assume that you have process A to cause process B dropping packets:
> Step (1):
> Run B only -- what is the maximum through without packet drop?
> what is the CPU utilization?
> what type of traffic (protocol -- TCP, UDP, etc.) does B
> does B have other I/O? If so, how much is the I/O
> bandwidth used?
> Step (2):
> reRun B and involving A gradually (increasing A's wieght) till B drops
> provide all above statistics for A and B at this point (where drop
> One thing I missed in your original post what protocol drops packet --
> TCP or UDP?
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