GAUGE negative values

[R Dicaire]

If I understand the documentation correctly, type GAUGE cannot have
negative values input into the rrd database?

If such is the case do I need to perform some math on the actual value
to create a positive integer forst before inputting to rrd update?

Thanks
--
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http://www.ardynet.com
http://www.ardynet.com:9000/ardymusic.ogg.m3u

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[Tobias Oetiker-3]

Hi R,

GAUGE hasno problem with negative values if you do not add a
minimum of 0 when setting up the rrd file ... if you did, you can
change things later using rrdtool tune.

cheers
tobi

Today R Dicaire wrote:

> If I understand the documentation correctly, type GAUGE cannot have
> negative values input into the rrd database?
>
> If such is the case do I need to perform some math on the actual value
> to create a positive integer forst before inputting to rrd update?
>
> Thanks
>

--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi@... ++41 62 775 9902 / sb: -9900

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[Pablo Sanchez-2]

[ Comments below, in line ]

On Monday 29 June 2009 at 11:41 am, R Dicaire penned
about "[rrd-users] GAUGE negative values"

> If I understand the documentation correctly, type GAUGE cannot have
> negative values input into the rrd database?
>

Howdy,

Adding to what Tobi said, yes GAUGE has no issues with negative
values.  Below is an excerpt of my RRD creation.  I think the metrics
are obvious.  :)

   rrdtool create $GENERAL_FILE --step $COLLECTION_INTERVAL_5M \
      DS:temperature:GAUGE:$UNKNOWN_5M:-90:80 \
      DS:humidity:GAUGE:$UNKNOWN_5M:0:100 \
      DS:barometer:GAUGE:$UNKNOWN_5M:700:1050 \
      DS:daily_rain:GAUGE:$UNKNOWN_5M:0:1000 \
      DS:wind_chill:GAUGE:$UNKNOWN_5M:-100:1.67 \
      DS:humidex:GAUGE:$UNKNOWN_5M:9:80 \
      DS:dew_point:GAUGE:$UNKNOWN_5M:-100:80 \

Cheers,
--
Pablo Sanchez - Blueoak Database Engineering, Inc
Ph:    819.459.1926      Fax:   [phone] (US)

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[A Darren Dunham]

On Mon, Jun 29, 2009 at 11:41:56AM -0400, R Dicaire wrote:
> If I understand the documentation correctly, type GAUGE cannot have
> negative values input into the rrd database?

What part of the documentation suggests this?

> If such is the case do I need to perform some math on the actual value
> to create a positive integer forst before inputting to rrd update?

Nope.

--
Darren

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