jedcunningham commented on PR #37480:
URL: https://github.com/apache/airflow/pull/37480#issuecomment-1949358805
> This is fully backwards compatible, it will ship more metrics than already
exist and won't change any existing metrics
The chart just remaps, it doesn't exclude metrics that aren't covered. Task
durations for tasks in task groups already are exposed. This would move them.
e.g.
```
airflow_dag_task_group_example_my_taskgroup_sometask_duration{quantile="0.5"}
0.17767495400000002
airflow_dag_task_group_example_my_taskgroup_sometask_duration{quantile="0.9"}
0.17767495400000002
airflow_dag_task_group_example_my_taskgroup_sometask_duration{quantile="0.99"}
0.17767495400000002
airflow_dag_task_group_example_my_taskgroup_sometask_duration_sum
0.17767495400000002
airflow_dag_task_group_example_my_taskgroup_sometask_duration_count 1
```
Would become:
```
airflow_task_duration{dag_id="task_group_example",task_id="sometask",taskgroup_id="my_taskgroup",quantile="0.5"}
0.085300168
airflow_task_duration{dag_id="task_group_example",task_id="sometask",taskgroup_id="my_taskgroup",quantile="0.9"}
0.085300168
airflow_task_duration{dag_id="task_group_example",task_id="sometask",taskgroup_id="my_taskgroup",quantile="0.99"}
0.085300168
airflow_task_duration_sum{dag_id="task_group_example",task_id="sometask",taskgroup_id="my_taskgroup"}
0.085300168
airflow_task_duration_count{dag_id="task_group_example",task_id="sometask",taskgroup_id="my_taskgroup"}
1
```
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