----- Original Message ----
> From: aurbain <[EMAIL PROTECTED]>
> To: Martin Knoblauch <[EMAIL PROTECTED]>
> Cc: [email protected]; ganglia general <[EMAIL 
> PROTECTED]>
> Sent: Wednesday, February 27, 2008 5:11:48 PM
> Subject: Re: [Ganglia-general] Need a script to remove "spikes" from network 
> RRDs
> 
> Thanks for the info Martin.  So its not a rollover issue after all.
> By the way, this issue also lives in rhel4u4 32 bit with bnx2 version
> 1.4.43f
>

 interesting. From my reading only the 64-bit version was affected. Anyway, I 
have a fix which just throws away any samples  where an overflow, correct or 
bogus, occurs. That is definitely fine in 64-bit land. Even at full speed, a 
1GBit NIC would overflow only after >5000 years. Nothing that I worry about 
much :-) Even 5 years for a future 1Tbit NIC is not that bad... But in 32-bit, 
a 1Gbit NIC could overflow every 40 seconds. And that is very short.

Cheers
Martin

> Martin Knoblauch wrote:
> > ----- Original Message ----
> >> From: aurbain 
> >> To: Martin Knoblauch 
> >> Cc: [email protected]; ganglia general 
> 
> >> Sent: Tuesday, February 26, 2008 8:25:13 PM
> >> Subject: Re: [Ganglia-general] Need a script to remove "spikes" from 
> >> network 
> RRDs
> >>
> 
> > Happens only on 64-bit systems. Now, my fix kills the generation of the 
> spikes, but my RRD database is now tainted for another 12 month.
> > 
> 
> 



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