lokeshlal opened a new pull request #6975: Dynamic pooling via allowing tasks to use more than one pool slot (depending upon the need) URL: https://github.com/apache/airflow/pull/6975 PR contains changes in pool and task instance to provide functionality to tasks to use more than one pool slot. - Added pool_capacity field in TaskInstance (pool_capacity is defaulted to 1, to maintain the current behavior) - Added pool_capacity in baseoperator - Modified pools functionality to calculate the used/queued/occupied/available slots - Modified pool_slots_available_dep.py to check against task _pool_capacity_ field instead of 1 - Modifed test case in file test_pool_slots_available_dep.py to include pool_capacity in the Mock object ----------------------------------------------------------------------------------------------- - [ ] Description above provides context of the change - [ ] Commit message contains [\[AIRFLOW-XXXX\]](https://issues.apache.org/jira/browse/AIRFLOW-XXXX) or `[AIRFLOW-XXXX]` for document-only changes - [ ] Unit tests coverage for changes (not needed for documentation changes) - [ ] Commits follow "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)" - [ ] Relevant documentation is updated including usage instructions. - [ ] I will engage committers as explained in [Contribution Workflow Example](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#contribution-workflow-example). In case of fundamental code change, Airflow Improvement Proposal ([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvements+Proposals)) is needed. In case of a new dependency, check compliance with the [ASF 3rd Party License Policy](https://www.apache.org/legal/resolved.html#category-x). In case of backwards incompatible changes please leave a note in [UPDATING.md](https://github.com/apache/airflow/blob/master/UPDATING.md). Read the [Pull Request Guidelines](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#pull-request-guidelines) for more information.
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