[hobbit] Problem with ncv

[Marco Avvisano]

thanks for your help Francesco

Marco

----- Original Message ----- 
From: "Francesco Duranti" <fduranti at q8.it>
To: <hobbit at hswn.dk>
Sent: Friday, September 15, 2006 3:44 PM
Subject: RE: [hobbit] Problem with ncv


> The problem related to graphs with 20 minutes interval is in the
> creation of the rrd file
> 
>>From the rrdcreate help page
> http://oss.oetiker.ch/rrdtool/doc/rrdcreate.en.html
> 
>    DS:ds-name:GAUGE | COUNTER | DERIVE | ABSOLUTE:heartbeat:min:max
> 
> The ``heartbeat'' defines the maximum acceptable interval between
> samples. If the interval between samples is less than ``heartbeat'',
> then an average rate is calculated and applied for that interval. If the
> interval between samples is longer than ``heartbeat'', then that entire
> interval is considered ``unknown''. Note that there are other things
> that can make a sample interval ``unknown'', such as the rate exceeding
> limits, or even an ``unknown'' input sample.
> 
> The heartbeat used by hobbit for ncv (and other graphs) is 600 (10 min)
> and cannot be changed with parameters so you need to change the source
> code (but it will change heartbeat for all the NCV graphs you do and
> you've to remember to change it when installing a new version) or we
> have to wait for Henrik to do a new rrd extendible interface for all our
> special graphs cases :D
> If you need to change you've to change it in the hobbitd/rrd/do_ncv.c,
> search for "DS:", you'll find 2 of them they are for the default and not
> default cases of ncv file creation.  I don't know if there's something
> else that need to be changed but this should at least get your data
> inside the rrd file.
> 
> Francesco
> 
> 
> 
>> -----Original Message-----
>> From: Marco Avvisano [mailto:marco.avvisano at regione.toscana.it] 
>> Sent: Friday, September 15, 2006 3:11 PM
>> To: hobbit at hswn.dk
>> Subject: Re: [hobbit] Problem with ncv
>> 
>> Thanks Henrick, now it work
>> 
>> I have another problem .... sometimes the rrd graphs lost 
>> values I send data to hobbit server every 20 minutes ... i 
>> must change or add something in hobbitgraph definitions?
>> 
>> DEF:seconds=inps.rrd:Seconds:AVERAGE
>> 
>> regards,
>> 
>> Marco
>> 
>> 
>> 
>> ----- Original Message -----
>> From: "Henrik Stoerner" <henrik at hswn.dk>
>> To: <hobbit at hswn.dk>
>> Sent: Thursday, September 14, 2006 10:53 PM
>> Subject: Re: [hobbit] Problem with ncv
>> 
>> 
>> > On Thu, Sep 14, 2006 at 06:10:50PM +0200, Francesco Duranti wrote:
>> >> I've a problem with data reporting in
>> >> rrd files via ncv, I've one script that report data in this way
>> >>
>> >> MySQL Connection statistics
>> >>
>> >> Threads = 7
>> >> Questions = 153015
>> >> Slow queries = 0</PRE>
>> >> <DIV align=left><PRE>Opens = 0
>> >> Flush tables = 1
>> >> Open tables = 32
>> >> Queries per second avg = 0.135
>> >>
>> >> The rrd will get MySQLConnectionstat as the name of the 
>> first data to 
>> >> save in
>> >> the rrd instead of getting Threads.
>> >
>> > This patch should fix it.
>> >
>> >
>> > Regards,
>> > Henrik
>> >
>> >
>> 
>> 
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>> 
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