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update wiki pages

Vika 2023-04-13 14:08:32 +00:00
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stream-aggregation.md

@ -355,6 +355,20 @@ For example, see below time series produced by config with aggregation interval
<img alt="total aggregation" src="stream-aggregation-check-total.png">
`total` is not affected by [counter resets](https://docs.victoriametrics.com/keyConcepts.html#counter) -
it continues to increase monotonically with respect to the previous value.
The counters are most often reset when the application is restarted.
For example:
<img alt="total aggregation counter reset" src="stream-aggregation-check-total-reset.png">
The same behavior will occur when creating or deleting new series in an aggregation group -
`total` will increase monotonically considering the values of the series set.
An example of changing a set of series can be restarting a pod in the Kubernetes.
This changes a label with pod's name in the series, but `total` account for such a scenario and do not reset the state of aggregated metric.
### increase
`increase` returns the increase of input [counters](https://docs.victoriametrics.com/keyConcepts.html#counter).