Re: [torrus-users] Reports

[Stanislav S. <ssi...@ya...>]

that's a mod_perl version 1.0 handler -- are you sure you're using the old 
Apache?
see for details:
http://torrus.org/webintf.pod.html

as far as I know, most OS'es already switched to Apache 2.x 



>
>From: Ken Wilkinson <kwi...@ca...>
>To: Stanislav Sinyagin <ssi...@ya...>; 
tor...@li...
>Sent: Mon, September 27, 2010 7:54:36 PM
>Subject: RE: [torrus-users] Reports
>
>  
>Stan,
> 
>I tried the new development version 1.0.9d, but I keep getting the following 
>error when I try to restart apache.  Any ideas?
> 
>Bareword "Apache::Constants::OK" not allowed while "strict subs" in use at 
>/usr/testtorrus/home/perllib/Torrus/ApacheHandler.pm line 36.\nCompilation 
>failed in require at /usr/testtorrus/home/conf_defaults/webmux.pl line 
>25.\nBEGIN failed--compilation aborted at 
>/usr/testtorrus/home/conf_defaults/webmux.pl line 25.\nCompilation failed in 
>require at (eval 6) line 1.\n
> 
>Ken
> 
>From:Stanislav Sinyagin [mailto:ssi...@ya...] 
>Sent: Saturday, September 25, 2010 5:49 AM
>To: Ken Wilkinson; tor...@li...
>Subject: Re: [torrus-users] Reports
> 
>Ken, I fixed a bug in External storage driver: it was ignoring the agent 
>rebooting event.
>Please test the new development snapshot.
>
>also it checks the "ext-counter-max" parameter, and ignores the counter value if 
>it's above that limit.
>The limit is in bytes per second.
>
>regards,
>stan
> 
>>From:Ken Wilkinson <kwi...@ca...>
>>To: Stanislav Sinyagin <ssi...@ya...>
>>Sent: Sat, September 25, 2010 2:25:27 AM
>>Subject: Re: [torrus-users] Reports
>>
>>I tested it.  It is when the modem is power cycled or in some older modem when 
>>the modem loses sync it will initiate a system restart.  The 
>>ifInOctets/ifOutOctets counters reset back to zero and start incrementing from 
>>zero.  When this happens between polls then the x1 - x0 is a negative number. 
>> Most applications assume a counter wrap has occured and calculate accordingly 
>>creating a hugh number or a giant spike in the rrd graphs.  I have seen this 
>>issue before.  I usually detect this by calculating the maximum bytes that can 
>>be transferred during 5 minute interval, looking to see if the value is greater 
>>than this.  If it is, then I know that value is in error and discard it or 
>>estimate the traffic usage usually a different calculation.
>> 
>>With the rates already being calculated and stored in the torrus database I can 
>>only discard the data point in error.  If I have access to the raw Bytes data at 
>>each interval I can detect the error condition and perform a close approximation 
>>of the data transferred after the unit was reset.
>> 
>>Ken Wilkinson
>> 
>>On Sep 24, 2010, at 8:02 PM, Stanislav Sinyagin wrote:
>>
>>
>>
>>what if it's two modems answering on the same IP address?
>>
>>
>> 
>>>From: Ken Wilkinson <kwi...@ca...>
>>>To: tor...@li...
>>>Sent: Fri, September 24, 2010 9:53:58 PM
>>>Subject: [torrus-users] Reports
>>>I believe you are storing Bytes/second in the value field of the srvexport 
>>>table.  In order to do this you would need the previous ifInOctets/IfOutOctets 
>>>value and current ifInOctets/IfOutOctets value, then subtract the two and divide 
>>>by the poll interval.  Are the IfInOctets/IfOutOctets stored somewhere? 
>>> 
>>>I am seeing impossible values in my usage reports when cable modems are 
>>>rebooted.  My guess is that the program is assuming a 32-bit counter wrap has 
>>>occurred when a negative value is calculated for the rate.  I would like to 
>>>write my own usage report generator and account for the possibility of the 
>>>counter being reset due to a power cycling of the device.  I would need the raw 
>>>Octets counter data in order to do this, so that is why I am wondering if this 
>>>is stored somewhere.
>>> 
>>>Kenneth S. Wilkinson
>>>CAS Cable
>>>1525 Dupont Road, Parkersburg, WV 26101
>>>ph: 304-420-2470
>>>fax:  304-420-2474
>>> 
>>