[jira] [Updated] (AIRFLOW-1467) allow tasks to use more than one pool slot

["Aizhamal Nurmamat kyzy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-1467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aizhamal Nurmamat kyzy updated AIRFLOW-1467:
--------------------------------------------
         Labels: pool  (was: )
    Component/s: scheduler

Adding "scheduler" component and "pool" label to issues for component refactor.

> allow tasks to use more than one pool slot
> ------------------------------------------
>
>                 Key: AIRFLOW-1467
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1467
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: pools, scheduler
>            Reporter: Adrian Bridgett
>            Priority: Trivial
>              Labels: pool
>
> It would be useful to have tasks use more than a single pool slot. 
> Our use case is actually to limit how many tasks run on a head node (due to memory constraints), currently we have to set a pool limit limiting how many tasks.
> Ideally we could set the pool size to e.g amount of memory and then set those tasks pool_usage (or whatever the option would be called) to the amount of memory we think they'll use.  This way the pool would let lots of small tasks run or just a few large tasks.



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