[rrd-users] how much memory is consumed by rrdtool -1.2.15?

[Virendra, Kumar(IE10)]

Hi, 
I am using rrdtool-1.2.15 for drawing the point values in trend graph,
but tool is consuming a lot of RAM. Every time the rrdtool invoked the
RAM size degraded which eventually hanged up our application.

Can anyone suggest me what are the limitations of rrdtool? And why this
hang up occurs? 

Best Regards,
Virendra Kumar




-----Original Message-----
From: rrd-users-bounces at lists.oetiker.ch
[mailto:rrd-users-bounces at lists.oetiker.ch] On Behalf Of
Mark.Rippe at cox.com
Sent: Monday, December 08, 2008 7:55 PM
To: rrd-users at lists.oetiker.ch
Subject: Re: [rrd-users] Graph Backgrounds (RE Example on rrdtool Site)

Awhile back, someone added an interesting function to the graphs.
It was possible to mouse-over a data point, 
right click and a box would open showing information
On that data point such as 
Time, data point value (level,percent, etc)
I have searched but found nothing.
Does anyone know if this still exists in some obscure 
Database, server, etc ???
If so, can I get either a copy of the script 
or can someone please point in the right direction?

Thanks,

mark.rippe at cox.com
"When the wagons are circled, remember to shoot outward."
- John Womersley, British Technology Council


-----Original Message-----
From: rrd-users-bounces at lists.oetiker.ch
[mailto:rrd-users-bounces at lists.oetiker.ch] On Behalf Of Karl Fischer
Sent: Saturday, December 06, 2008 12:43 PM
To: William R. Lorenz
Cc: rrd-users
Subject: Re: [rrd-users] Graph Backgrounds (RE Example on rrdtool Site)

William R. Lorenz wrote:
> Hi All,
> 
> I'm looking to create a graph similar to --
> 
>    http://oss.oetiker.ch/rrdtool/gallery/panel_user.png
> 
> with red/green coloring depending on when something is online or
offline. 
> Can someone help provide a high-level overview as to which rrdtool
graph 
> commands/options I should be looking at to accomplish the red/green
shade?
> 
> Just a pointer in the right direction so I can RTM would help a lot.

Wiliam,

to graph to the top(bottom) edge of the canvas you need a value of
+(-)inf.

ex.

DEF:temp=some.rrd:temp:AVERAGE
DEF:onoff=some.rrd:onoff:LAST
CDEF:back=onoff,INF,*         # if onoff != 0 this will be INF,
otherwise 0
AREA:back#ff000020            # add 4th color value for transparency
LINE1:temp#0000ff

If you want red(off)/green(on), this will look like:

DEF:temp=some.rrd:temp:AVERAGE
DEF:onoff=some.rrd:onoff:LAST
CDEF:red=onoff,0,EQ,INF,0,IF  # if onoff == 0 this will be INF,
otherwise 0
CDEF:green=onoff,INF,*        # if onoff != 0 this will be INF,
otherwise 0
AREA:red#ff000020             # add 4th color value for transparency
AREA:green#00ff0020           # add 4th color value for transparency
LINE1:temp#0000ff

Of course you can make this depending of some value, eq:

CDEF:red=temp,50,LT,0,INF,IF
CDEF:green=temp,50,LT,INF,0,IF

haven't tested it, but unless there's a typo it should work.

hth

- Karl

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