mufiye commented on issue #10341:
URL: https://github.com/apache/skywalking/issues/10341#issuecomment-1435922878
> Do you mean delta is increasement from last report period? Could you
explain a little more?
Yes, delta means increasement from last report period.
About skywalking hot to process counter(sum) data:
```java
if (metric.hasSum()) {
final Sum sum = metric.getSum();
if (sum
.getAggregationTemporality() !=
AGGREGATION_TEMPORALITY_CUMULATIVE) {
return Stream.empty();
}
```
Counter Data from airflow, the AggregationTemporality is Delta:
```
Descriptor:
-> Name: airflow_job_start
-> Description:
-> Unit:
-> DataType: Sum
-> IsMonotonic: false
-> AggregationTemporality: Delta
```
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