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From "Alex Van Boxel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AIRFLOW-679) Stop concurrent task instances from running due to race conditions
Date Sun, 25 Dec 2016 13:54:58 GMT

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

Alex Van Boxel updated AIRFLOW-679:
-----------------------------------
    Component/s: core

> 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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