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james0 wrote:When I first look at the RRA, it shows a whole year, and the Average and MAX are X and Y. When I zoom in on todays data(and todays data is the only data in the RRA so far), the average and max increase. Why is this?
Please have a look at my rrdtool related links of my signature. They will (try to) explain.
At least with rrdtool 1.2.x, there's a DEF option knows as reduce=<CF>. It may affect those differences, see http://oss.oetiker.ch/rrdtool/doc/rrdgraph_data.en.html. This is not (yet) supported by cacti. But you may fiddle around with this to cope with your problem.
Reinhard
I just wanna see my past days data using zoom utility. For example: When my team head wants to see 72 days before with 5 min. average and my graph must be shows this graphic. I mean, cacti shows daily graph of 72 days before.
Let say 1 year..
That calculation is true or not:
Step :1
X-Factor :0.5 Rows: 366 days *24 hr. * 12 sample = 105408 Timespan : 366 days * 24 days * 60 min * 60 sec = 31622400
(I use calculator )
If I change "Daily (5 Minute Average)" Round Roubin archive values,and if I select all "Consolidation function", I can reach my aim or not?
I think simple question but i am really confused.
This screenshot is my settingsand decribes what i tell you. Is this settings are correct?
The math is correct.
The screenshot shows correct entries.
The file will be HUUUUUUGE.
And, you will not wnat to hear this, YOU WON'T GET EXPECTED RESULTS.
Why?
Please see a few posts above, tackling the topic of "graphical consolidation". Shortly: Do you know a computer display, which shows up 105408 horizontal pixels, one pixel for each raw data value of a complete year?
So rrdtool has to squeeze 105408 pixels into your graph, let's say defined to be 800 pixels wide. This cannot be done without consolidation.
Of course, when zooming into the graph, you will still be able to see all pixels e.g. one year in the past with full resolution. But not the whole year with full resolution.
Reinhard
PS: Please refer to first link of my sig, RRDTool Chapter, about consolidation. Depending on the question your boss want's to have answered, you can do it WITH consolidation in about most cases.
When I dis this, something became weird
I didn't see anything in daily graph but i saw something in Weekly graph.
I am really really confused
I read rrdtutorial but that is too complicated
I want very simple thinh, i feel that
I just wanna see daily traffic graph of 3 months ago for 5 min average (I think 5 min average is equal to no consolidation that means no summarizing)
I just need some simple and basic help
thank you..