[Orca-users] TCP reset rate

Blair Zajac blair at orcaware.com
Tue Nov 20 11:59:06 PST 2007


Check the scale on the left, there may be a m or a micro symbol, indicating the 
scale is in millis or micros.

Blair

Antenore Gatta wrote:
> Just an update.
> 
> In the current orcallator file the  tcp_Rst/s is generally around
> 0.203 (normal), but the generated graph is in milions of resets per
> seconds!!!
> 
> Am I right?
> 
> Thanks again
> KR
> Antenore.
> 
> On Nov 20, 2007 10:15 AM, Antenore Gatta <antenore at gmail.com> wrote:
>> Hi all,
>>
>> First of all thanks a lot for this wonderful software!!!
>>
>> I installed orca 0.27 in our server farm (solaris 8/9) and I'm facing
>> a strange behavior.
>>
>> Almost all of our hosts have an high TCP reset rate (200m/s), so I've
>> used tcpdump to find out the root cause of the problem.
>>
>> I executed tcpdump with the filter 'tcp[13] & 4 != 0' and we have
>> about 1 RST every 30 seconds. This is "_almost normal_", because we
>> have an alteon the checks every 30 seconds some services.
>>
>> So I don't know if I'm looking in the wrong direction (tcpdump) or if
>> I've a problem with orca...
>>
>> Could you please help me to find out the problem?
>>
>> Thanks in advance
>>
>> KR
>> Antenore.
>>
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