[Orca-users] Re: Data not showing up on graph

Blair Zajac blair at orcaware.com
Mon Aug 20 10:05:49 PDT 2001


Hello,

You have the data_min set to 0 and data_max set to 10 and the data
is varying from 72 to 287 so the data will be ignored.

I would delete the RRD files, remove data_min and data_max from
test.cfg and run it again.

Best,
Blair

Jeff Brickley wrote:
> 
> Hello.  Hopefully this won't sound too naive but....I'm trying to get
> Orca 0.26 to graph arbitrary points from a text file.  I am not having
> any luck.  This is supposed to be a first 'test' to make sure we can
> rely on the graphing tool. Eventually I will be producing text files
> with various pieces of info that we want graphed.  This tool sounds
> like
> the best product for what we want to accomplish but it is a bit
> frustrating right now. I will detail most of what I have done thus
> far.
> I have a test input file with the following format:
> 997733286 92.1064
> 997733586 287.747
> 997733886 72.1448
> 
> My config file is as follows:
> state_file  test.state
> html_dir  /usr1/orca/orca-0.26/html
> rrd_dir   /usr1/orca/orca-0.26/var/orca/rrd
> 
> group test_group {
> find_files  /usr1/orca/orca-0.26/bin/test_data.txt
> column_description date AVG
> date_source column_name date
> date_format  %m/%d/%y
> interval  300
> }
> 
> plot {
> title   MyFirstPlot
> source   test_group
> data   AVG
> legend   Machine
> y_legend  Average
> data_min  0
> data_max  10
> }
> 
> I run the following command:
> orca -v -o test.cfg
> 
> Everything seems to work fine and the output is as follows:
> Orca version 0.26beta1 using RRDs version 1.000131.
> Loading state from `test.state'.
> Creating orca.gif.
> Creating rrdtool.gif.
> Finding files and setting up data structures at Fri Aug 17 13:45:06
> 2001.
> RSS  VSZ %MEM        TIME     USER   PID COMMAND
> 3848 4648  0.4        0:00     root   382 /usr/bin/perl
> Current running time is 0:00 minutes.
> Loading new data.
>   Read     4 data points from
> `/usr1/orca/orca-0.26/bin/test_data.txt'.
> Flushing new data and updating PNGs.
>   Creating RRD `/usr1/orca/orca-0.26/var/orca/rrd/test_group_AVG.rrd'.
> Saving state into `test.state'.
> Updating PNGs.
> Creating HTML files in `/usr1/orca/orca-0.26/html/'.
> RSS  VSZ %MEM        TIME     USER   PID COMMAND
> 4504 5112  0.5        0:01     root   382 /usr/bin/perl
> Current running time is 0:02 minutes.
> 
> I have added the text from the uninitialized-array-patch.txt to the
> orca.pl file in the prefix /src directory.
> It seems that the data is not making it into the .rrd file that is
> being
> generated.  I run the following rrdtool command and notice that all
> entries have a timestamp and then NaN for the second column.
> rrdtool fetch file.rrd AVERAGE
> 
> Any help anyone can give will be greatly appreciated.



More information about the Orca-users mailing list