[Orca-users] Re: writing data to my input file to orca if no new data is found

Blair Zajac blair at akamai.com
Mon Mar 27 10:31:54 PST 2000

I don't think this will be too easy.  When Orca doesn't find
any data, it won't plot any data, so maybe you could always
plot 1 when the system is up.  Will this work?

For example, look at the image at


It clearly shows when no data was being collected.


Jeff Lucas wrote:
> From: "Jeff Lucas" <lucasjh at tfn.com>
> I am currently using orca to graph "uptime" data collected from
> multiple systems. The data files consist of three columns...
> epoch sys_uptime_value app_uptime_value
> epoch - number of seconds since ???? 1971
> sys_uptime - 0 or 1 (system either up or down)
> app_uptime - 0 or 1 (app either up or down)
> Each system has its own data file. I've attempted reading and
> modifying orca so that when it does NOT find the input data file
> updated (it assumes the sys and app are down), it updates it by
> appending a line to the corresponding input data file containing...
> epoch 0 0
> Unfortunately, I've been unsuccessful.
> Can someone tell me if this can be done within the config file or if
> it needs to be done in the orca program, and if so, where/how.
> Much thanks in advance!
> -Jeff
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