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List:       rrd-users
Subject:    Re: [rrd-users] Controlling time interval on graphing
From:       robstar <robstar () gmail ! com>
Date:       2009-05-22 20:35:05
Message-ID: 23676670.post () talk ! nabble ! com
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Not that anybody reads this forum.. but it looks like it wasn't rendering a
graph because some of the data is NaN... I have to figure out how to catch
the rendering error...




robstar wrote:
> 
> I have a feeling it's because I have 2 AVERAGE RRAs....  is there a way to
> distinguish them?  
> 
> I think the graph is picking the first one, which only holds the last
> 24hrs... how can I tell it to pick the HOURLY AVERAGE ?
> 
> 
> 
> robstar wrote:
> > 
> > I recently started using RRD and it's awesome.... but I can't get it to
> > plot more than the last 24hrs of data...
> > 
> > here is my setup:
> > 
> > rrdtool create temperature.rrd --step 60 \
> > DS:temp:GAUGE:300:-273:5000 \
> > RRA:AVERAGE:0.5:1:1440 \
> > RRA:MIN:0.5:60:2400 \
> > RRA:MAX:0.5:60:2400 \
> > RRA:AVERAGE:0.5:60:2400
> > 
> > doesn't this store more than 1 day of data for me?
> > 
> > If I leave out the --start/end I get the last 24hrs...  and here's what I
> > use to generate the graph for today:
> > 
> > rrdtool graph temp.png
> > DEF:t=/var/www/eheat/rrd/temperature.rrd:temp:AVERAGE -w 600 -h 300
> > --start 1242878400 --end 1242964799
> > 
> > how can I get the last week?  last month?  any interval I want?  anything
> > but the string above generates a blank graph!!
> > 
> > Thanks for your help.
> > 
> > 
> 
> 

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