How to SUM an item created with a small change pre-processor

[IGGt]

I have a value I am monitoring (e.g. `inc_value`). It is an incrementing value, so each time it is checked it should be larger than before.

It is collected using the key

zbx.sts[inc_value]

which runs every minute.

I then apply a pre-processor of `simple change` to record the...

[markfree]

I have some graphs widgets that plot 2 or 3 items and a sum of them. But quite often I see some weird graph values for the data set sum.




The black line is just a simple item sum aggregation function.

Just by looking at those plots we can see there's something...

[markfree]

Hi.
I'm using a graph widget to plot 3 item. I also added a fourth line with the sum of the 3 items.



This way the legend shows dataset sum and I cannot change that.
Is there a way to change the legend's dataset names?

Thanks...

[williamfelipe]

Hello, guys

I have been trying to sum all values gethered by a single item. What I want is to accumulate all values of a metric and make a trigger that fires when avalue is reached.
I know that there is a sum trigger function, but it has a paramater that requires the evaluation period,...

[salim.mussi]

Hi!
I am monitoring the printers of my company.
I would like to create an item in a printer template that would add the prints for the current month.
I was able to use in calculated item the function sum("prints.delta", 2592000) to add the printed pages from the last 30...

[flaviof]

Hi,

My question is how could I create a trigger that alarm if the sum of results in differents hosts > 800

Ex:
Host01 - item STATUS CODE return value 400 (by a script created)
Host02 - item STATUS CODE return value 400 (by a script created)
Host03...

[xoJIog]

It is impossible to use user macros in trigger function sum at count of N last items, e.g.:
Trigger expression

{template:agent.ping.sum(#{$AGENT_PING_COUNT})}=0

will return errror:

Cannot implode expression "{template:agent.ping.sum(#{$AGENT_PING_COUNT})}=0". Incorrect

...