[rrd-users] Re: rrdtool update usage

[Tobias Oetiker]

Today you sent me mail regarding Re: [rrd-users]  rrdtool update usage:

*> Tobias Oetiker writes:
*> >Yesterday you sent me mail regarding [rrd-users]  rrdtool update usage:
*> >
*> >*> Hi,
*> >*> 
*> >*> I have an RRD with 2 columns.  How do I update the first column first,
*> >*> then the second column?  Following the documentation, I tried,
*> >*> 
*> >*> rrdtool update foo.rrd -t col1 953542800:1
*> >*> ... bunch of commands updating col1 ...
*> >*> rrdtool update foo.rrd -t col2 953542800:3
*> >*> ... bunch of commands updating col2 ...
*> >*> 
*> >*> For some reason the updates for col2 don't seem to take, am I missing
*> >*> something here?  
*> >
*> >you can only update all the columns at once ... if you drop some
*> >they will go into the update as *UNKNOWN*
*> 
*> >toib
*> 
*> Ahh... that explains my problem.  Is there any way to accomplish what
*> I am looking for?  I am trying to graph the aggregate data from a web
*> server farm.  The data from the individual servers don't come in at
*> the same time.  It would be ideal to update the data as they come in.

sure, just keep the data in 2 separate rrds ...

cheers
tobi
*> 
*> Pete
*> 

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