[jira] [Commented] (AIRFLOW-2961) Speed up test_backfill_examples test

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16592969#comment-16592969 ] 

ASF GitHub Bot commented on AIRFLOW-2961:
-----------------------------------------

Fokko opened a new pull request #3811: [AIRFLOW-2961] Refactor tests.BackfillJobTest.test_backfill_examples test
URL: https://github.com/apache/incubator-airflow/pull/3811
 
 
   Simplify this test since it takes up 15% of all the time. This is because
   every example dag, with some exclusions, are backfilled. This will put some
   pressure on the scheduler and everything. If the test just covers a couple
   of dags should be sufficient.
   
   ```
   [success] 15.03% tests.BackfillJobTest.test_backfill_examples: 254.9323s
   ```
   Make sure you have checked _all_ steps below.
   
   ### Jira
   
   - [ ] My PR addresses the following [Airflow Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR"
     - https://issues.apache.org/jira/browse/AIRFLOW-XXX
     - In case you are fixing a typo in the documentation you can prepend your commit with \[AIRFLOW-XXX\], code changes always need a Jira issue.
   
   ### Description
   
   - [ ] Here are some details about my PR, including screenshots of any UI changes:
   
   ### Tests
   
   - [ ] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason:
   
   ### Commits
   
   - [ ] My commits all reference Jira issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
     1. Subject is separated from body by a blank line
     1. Subject is limited to 50 characters (not including Jira issue reference)
     1. Subject does not end with a period
     1. Subject uses the imperative mood ("add", not "adding")
     1. Body wraps at 72 characters
     1. Body explains "what" and "why", not "how"
   
   ### Documentation
   
   - [ ] In case of new functionality, my PR adds documentation that describes how to use it.
     - When adding new operators/hooks/sensors, the autoclass documentation generation needs to be added.
   
   ### Code Quality
   
   - [ ] Passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
   

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> Speed up test_backfill_examples test
> ------------------------------------
>
>                 Key: AIRFLOW-2961
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2961
>             Project: Apache Airflow
>          Issue Type: Bug
>            Reporter: Fokko Driesprong
>            Priority: Major
>




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