Yes, that was what I was thinking. It was just that we are already using RRDTool within our app and it would have been great if it handled this scenario also. :)
Joshua Keroes-2 wrote: > > rrdtool doesn't know how to write boolean values. I think SQL or > something custom may be more in line with your space constraints. > > On Tue, Sep 9, 2008 at 5:33 PM, Robert Easton <[EMAIL PROTECTED]> > wrote: >> >> We want to see an Area Chart with the ON STATE corresponding to a y-axis >> value of 1 and the OFF STATE corresponding to a y-axis value of 0. As >> such >> we also want to store the data in an efficient way in RRDTool if this is >> possible in this scenario. Else we will have to move to logging the data >> in >> a SQL table instead and then find another graphing tool for this part of >> our application. >> >> We might have a series of data like this: >> >> 23May08 11:43:35 ON >> 23May08 11:43:39 OFF >> 01Jun08 12:55:03 ON >> 05Jul08 06:32:01 OFF >> 08Sep08 08:00:02 ON >> >> In reality this data could show a state change at any time. Note in the >> first instance, above, the state was ON for only 4 seconds. We need to >> see >> that on the graph, as a visible line, even though the graph might be >> displaying for six months. We need to display this graph for a defined >> period with each ON state change being represented by the area chart >> showing >> as 1 on the y-axis. >> >> So can we pass this data to a rrdtool and have it logged efficiently and >> then display the corresponding chart? I would hate to have to generate >> millions of values to achieve this. Four months of one second data is >> about >> 10,368,000 lines of data! >> >> >> Any ideas on an approach? >> TIA >> >> Cheers >> Mark >> -- >> View this message in context: >> http://www.nabble.com/How-To-Do-A-State-Change-Log-Graph---tp19404183p19404183.html >> Sent from the RRDTool - User mailing list archive at Nabble.com. >> >> _______________________________________________ >> rrd-users mailing list >> [email protected] >> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users >> > > _______________________________________________ > rrd-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users > > -- View this message in context: http://www.nabble.com/How-To-Do-A-State-Change-Log-Graph---tp19404183p19404762.html Sent from the RRDTool - User mailing list archive at Nabble.com. _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
