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From "Fokko Driesprong (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AIRFLOW-2404) Message for why a DAG run has not been scheduled missing information
Date Wed, 02 May 2018 06:15:00 GMT

     [ https://issues.apache.org/jira/browse/AIRFLOW-2404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Fokko Driesprong resolved AIRFLOW-2404.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

> Message for why a DAG run has not been scheduled missing information
> --------------------------------------------------------------------
>
>                 Key: AIRFLOW-2404
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2404
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: webserver
>            Reporter: Matthew Bowden
>            Assignee: Matthew Bowden
>            Priority: Major
>             Fix For: 2.0.0
>
>
> The webserver lists the following reasons for why a DAG run/task instance might not be
started:
>  * The scheduler is down or under heavy load
>  * This task instance already ran and had its state changed manually (e.g. cleared in
the UI)
> Another reason that the task might not have been started is because of the following:
>  * The {{parallelism}} configuration value may be too low
>  * The {{dag_concurrency}} configuration value may be too low
>  * The {{max_active_dag_runs_per_dag}} configuration value may be too low
>  * The {{non_pooled_task_slot_count}} configuration value may be too low



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