[Xymon] Default Graph SIze

[Henrik Størner]

On 23-12-2011 23:59, Ralph Mitchell wrote:
> The one day graph *would* look fine, but I kinda like the 3-day.
>
> The "blocky" look I'm seeing comes from RRD generating the graph using
> the best datasource to fit the size you're asking for.  By default, the
> first data store contains 576 points at 5 minute intervals, which covers
> 2 days.  The second data store contains 576 point at 30 minute
> intervals, which is 12 days.  Each of the 30-minute data points is
> generated by averaging together 6 of the 5-minute data points.  If you
> ask rrd to generate a 3 day graph, there are not enough points in the
> first data store, so it uses the second store and each point on the
> graph then covers more pixels.
>
> It's the same effect as zooming in on a graph.  To fix it, I've resized
> the existing RRDs to hold 864 data points, so there will be enough
> fine-grain data to get a decent 3-day graph.

Right, forgot to mention that I've done something similar on the 
www.xymon.com site.

You can change it in "rrddefinitions.cfg", but it will not change any 
existing files - only newly created ones.


Regards,
Henrik