The GitHub Actions job "Tests" on airflow.git has succeeded.
Run started by GitHub user potiuk (triggered by potiuk).

Head commit for run:
4724aedf36ff170bd76e45801accea899761424e / Jarek Potiuk <[email protected]>
Decrease max parallelism for K8S tests

Currently (and for quite some future) we will run 4 k8s tests max
in paralell on CI. Running 4 in parallel is too much (not enough
resources) and while running 3 in parallel is possible, since we
have 4 runs, we do not gain much by running 3 in parallel (first
the 3 of them complete and 4th start and runs generally on its
own after fist of the 3 completes, which means generally just before
the other 2 complete. Since the parallelism gains are not linear
due to contention on common resources, runnning 3x parallel k8s
runs is for sure slower than running 2x of them at the same time,
so proabbly we can gain a few minutes by running 2 + 2.

This PR changes maximum number of k8s runs as 1/4 of available
CPUs - which also makes sense taking into account how many
parallell processes we have in each k8s test.

Report URL: https://github.com/apache/airflow/actions/runs/6920470726

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