[Xymon] Default Graph SIze

[James Wade]

Ralph,

I just changed TrendSeconds to 8640 (1 day)  and left the RRDWIDTH the
same. I get a one day graph which looks fine.

James

On Fri, Dec 23, 2011 at 9:38 AM, Ralph Mitchell <ralphmitchell at gmail.com>wrote:

> On Thu, Dec 22, 2011 at 5:02 PM, Henrik Størner <henrik at hswn.dk> wrote:
>
>> On 22-12-2011 22:56, James Wade wrote:
>>
>>> I'm doing a new installation of xymon. Everything is working great, but
>>> I'm in the process of configuring and could use some assistance, so you
>>> might see a few more posts from me.
>>>
>>> Is there a way to have the graphs on each default to a different
>>> setting? As an example, when looking at cpu, instead of a two day graph
>>> have a one hour graph. Is there a global setting?
>>>
>>
>> TRENDSECONDS in xymonserver.cfg. If you change this, then you'll probably
>> also want to change the RRDWIDTH setting, which defines the size of the
>> graph image.
>>
>> On www.xymon.com, TRENDSECONDS is set to 259200 = 3 days, and RRDWIDTH
>> is set to 864; the reasoning being that with measurements every 5 minutes
>> there are 288 measurements per day, so 3 days = 864 measurements. Matching
>> the RRDWIDTH setting with this means that each measurement gets 1 pixel.
>>
>
>
> If I set  TRENDSECONDS & RRDWIDTH, I get blocky graphs, presumably due to
> there not being sufficient data at the normal resolution.  To fix that, I
> *think* I need to:
>
> 1) resize all the the rrd files with 'rrdtool resize' - wrote a script for
> that
> 2) alter server/etc/rrddefinitions.cfg to set the defaults for new rrd -
> done that
>
> Did I miss anything?
>
> Thanks,
>
> Ralph Mitchell
>
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