potiuk commented on pull request #20087:
URL: https://github.com/apache/airflow/pull/20087#issuecomment-1002543301
Try with those args (and use ./breeze as it contains .coveragerc for example:
```
if [[ ${ENABLE_TEST_COVERAGE:="false"} == "true" ]]; then
EXTRA_PYTEST_ARGS+=(
"--cov=airflow/"
"--cov-config=.coveragerc"
"--cov-report=xml:/files/coverage-${TEST_TYPE}-${BACKEND}.xml"
)
fi
```
I just repeated that, and results are the same. Steps to reproduce:
Setup:
1) `./breeze stop` (stop all containers)
2) `./breeze --db-reset --backend sqlite` (starts breeze in basic sqlite
configuration with reseting the db)
3) Run `docker stats` in separate terminal
4) Run `pytest ./tests/providers/cncf/kubernetes/hooks/test_kubernetes.py
./tests/jobs/test_backfill_job.py` to "warm the caches"
Once you do it, it very reproducible:
Test a) - without coverage:
`pytest ./tests/providers/cncf/kubernetes/hooks/test_kubernetes.py
./tests/jobs/test_backfill_job.py`
https://user-images.githubusercontent.com/595491/147656637-6ad880e1-9f2b-4364-915a-cd5c92aa58c0.mp4
Memory tops ~ 156 MB and drops right after the tests fiinish.
Test b) - with coverage:
`pytest ./tests/providers/cncf/kubernetes/hooks/test_kubernetes.py
./tests/jobs/test_backfill_job.py --cov=airflow/ --cov-config=.coveragerc
--cov-report=xml:/files/coverage-test.xml`
https://user-images.githubusercontent.com/595491/147656618-c550ae90-521c-40cd-b842-32172a2ab94a.mp4
Durint the test memory usage is very similar - but when the tests are
finishing (I guess output report is prepared) the memory used goes quickly up
to more than 230 MB just before dropping (about 0:19 of the video). This
effect is non-existing in case coverate is disabled.
This is fully reproducible.
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