[jira] [Commented] (AIRFLOW-3702) Reverse Backfilling(from current date to start date)

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

    [ https://issues.apache.org/jira/browse/AIRFLOW-3702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16742858#comment-16742858 ] 

ASF GitHub Bot commented on AIRFLOW-3702:
-----------------------------------------

feng-tao commented on pull request #4533: [WIP][AIRFLOW-3702] Reverse Backfilling
URL: https://github.com/apache/airflow/pull/4533
 
 
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   ### Description
   
   - [x] Here are some details about my PR, including screenshots of any UI changes:
   Create backfill dagrun in reversed by setting backfill_dagrun_order_reverse = True under scheduler section
   
   Missing: doc, unittest
   
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> Reverse Backfilling(from current date to start date)
> ----------------------------------------------------
>
>                 Key: AIRFLOW-3702
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3702
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: configuration, DAG, models
>    Affects Versions: 1.10.1
>         Environment: MacOS High Sierra
> python2.7
> Airflow-1.10.1
>            Reporter: Shubham Gupta
>            Priority: Major
>              Labels: critical, improvement, priority
>             Fix For: 1.10.2
>
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> Hello,
> I think there is a need to have reverse backfilling option as well because recent jobs would take precedence over the historical jobs. We can come up with some variable in the DAG such as dagrun_order_default = True/False . This would help in many use cases, in which previous date pipeline does not depends on current pipeline.
> I saw this page which talks about this -> http://mail-archives.apache.org/mod_mbox/airflow-dev/201804.mbox/%3CCAPUwX3M7_qrn=1BqYSMkDV_ifjbTA6LBtq7CzHhEXSZmDJkDnw@mail.gmail.com%3E
> Thanks!
> Regards,
> Shubham



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