Getting confused ...

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Getting confused ...

FAIDHERBE Thierry

 

Using different versions of rrdtool on windows 7 x64 platform, I faced this and

I cannot understand the reason : the max or current printed values does not always

match updated data :

 

 

Let’s take an example :

 

… creating the db file :

rrdtool.exe create temp.rrdtool-db -b 1501538399

       DS:SERIE:GAUGE:86400:U:U 

       RRA:LAST:0.5:288:10

 

… updating data :

rrdtool.exe update temp.rrdtool-db -t SERIE  1501624799:0 1501711199:0 1501797599:0

       1501883999:0 1501970399:0 1502056799:0 1502143199:0 1502229599:0 1502315999:176

 

… graphing :

rrdtool.exe graph Change.png  -a PNG --start 1501538399 -F --step 300  -l 0

       -h 200 -v "Count" -w 800 -r -b 1000

       DEF:DS=temp.rrdtool-db:SERIE:LAST

       AREA:DS#0000FF:"Change"

       GPRINT:DS:MAX:" Max \: %10.0lf "

       GPRINT:DS:LAST:" Current \: %10.0lf \n"

 

The graph is generated. Looking at graph, the Current and max vals are 175 … (should be 176)

 

 

new one :

 

… creating the db file :

rrdtool.exe create temp.rrdtool-db -b 1501538399

       DS:SERIE:GAUGE:86400:U:U 

       RRA:LAST:0.5:288:10

 

… updating data :

rrdtool.exe update temp.rrdtool-db -t SERIE  1501624799:0 1501711199:0 1501797599:0

       1501883999:0 1501970399:0 1502056799:0 1502143199:0 1502229599:0 1502315999:176

       1502402399:1495

 

… graphing :

rrdtool.exe graph Change.png  -a PNG --start 1501538399 -F --step 300  -l 0

       -h 200 -v "Count" -w 800 -r -b 1000

       DEF:DS=temp.rrdtool-db:SERIE:LAST

       AREA:DS#0000FF:"Change"

       GPRINT:DS:MAX:" Max \: %10.0lf "

       GPRINT:DS:LAST:" Current \: %10.0lf \n"

 

The graph is generated. Looking at graph, the Current and max vals are 1490 …. (should be 1495)

 

 

Where am I wrong ? What did I wrong ???

 

Thanks for your lights, I am clueless …

 

Cheers

 

Th

 

 

Kind regards - Bien cordialement - Vriendelijke groeten,

 

Thierry FAIDHERBE

Backup/Storage & System Management

 

LE FOREM

Département des Systèmes d'Information, Direction Infrastructure

 

Boulevard Tirou, 104  Tel:    +32 (0)71/206730

B-6000 CHARLEROI      Mobile: +32 (477)/995319

BELGIUM               Mail : Thierry.faidherbe<at>forem.be

 

"The urgent is done, the impossible is being processed ... For miracles Allow time".

"Nowadays, people know the price of everything and the value of nothing", Oscar Wilde

"The future belongs to those who believe in the beauty of their dreams", Eleanor Roosevelt

"Courage is not having the strength to go on;

        it is going on when you don't have the strength.", Theodore Roosevelt

 


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Re: Getting confused ...

Alex van den Bogaerdt-5
>
>
> Using different versions of rrdtool on windows 7 x64 platform, I faced
> this
> and
>
> I cannot understand the reason : the max or current printed values does
> not
> always
>
> match updated data :

Have a look here and see if you learn something new:
http://rrdtool.vandenbogaerdt.nl/process.php

If you do, there's your answer. If not, we need to look for other problems.

HTH
Alex

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