Re: Flat graphs when using long time periods

There was no reply to my question of June 2013.

Perhaps some graphs will help explain it.

2 months of SMTP delivery stats:


[image: Inline image 1]



3 months of SMTP delivery stats

[image: Inline image 2]

This is the same graph item for an overlapping period where 2/3
of the data in the first graph should show in the second graph.

What should I look at as the source to this problem?  Is it
something with rrdtool or some option I can set?




On Mon, Jun 17, 2013 at 10:44 AM, francis picabia <[email protected]>wrote:

> We're using cacti 0.8.8a with rrdtool 1.3.8
> We've been using cacti for about 7 years.
>
> In a few graphs, when I select a longer period of time,
> like a year, there is a flat line.  Most graphs look
> reasonable if I extend the date span to one year.
>
> If I reduce the date preset to something like 2 months,
> I get the bumps and valleys I expect to see.
>
> The setting on Associated RAA's is Daily 5 min avg.
>
> The graphs where this is happening use custom snmp
> queries via extend.
>
> What is this symptomatic of?
>

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