[Xymon] Roadmap of the future Xymon releases?

henrik at hswn.dk henrik at hswn.dk
Tue Jan 28 09:57:04 CET 2014


 

Hi Naveen, 

Den 2014-01-24 15:34, Naveen Kumar Venkatesh skrev: 

>
Hi Henrik, 
> It seems currently the database for storing client data
supports only 5 minute sample. Is it possible to increase the
granularity to 1 minute?

I suppose you mean the RRD files used to store
cpu-, disk-, memory-trends for the graphs? 

You can do that today in
the rrddefinitions.cfg file - but note that these settings are defined
when the RRD file is created, so for all of your existing RRD files you
will probably lose the data. There are some scripts floating around to
convert data from existing RRD files into new files with higher
granularity, but I am don't know how well they work. 

Of course, you
must also change how often your data-collection scripts run (i.e. the
client scripts and the network test tools). The 5-minute interval is
currently hard-coded into the xymonclient-*.sh scripts when it comes to
how vmstat data is collected, but that can be changed. 

It will put
more load on your Xymon server, and the client will also load your
servers a bit more. And your disk usage on the Xymon server will grow,
since you will need to store more datapoints for each of the
measurements in the RRD file. 

But it doesn't really require any code
changes, as far as I can tell. 

Regards,
Henrik 
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