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Posted to commits@airflow.apache.org by "Alex Guziel (JIRA)" <ji...@apache.org> on 2017/02/10 00:37:41 UTC

[jira] [Resolved] (AIRFLOW-679) Stop concurrent task instances from running due to race conditions

     [ https://issues.apache.org/jira/browse/AIRFLOW-679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Guziel resolved AIRFLOW-679.
---------------------------------
    Resolution: Fixed

> Stop concurrent task instances from running due to race conditions
> ------------------------------------------------------------------
>
>                 Key: AIRFLOW-679
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-679
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: core
>            Reporter: Alex Guziel
>            Assignee: Alex Guziel
>            Priority: Minor
>
> Right now, multiple copies of the same task instance can run if someone clicks on the UI multiple times. To fix this, I propose two things:
> 1) record hostname and pid in TaskInstance table, then when heartbeating, only continue running if it matches



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