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From "ASF subversion and git services (Jira)" <j...@apache.org>
Subject [jira] [Commented] (AIRFLOW-1467) allow tasks to use more than one pool slot
Date Mon, 13 Jan 2020 21:12:00 GMT

    [ https://issues.apache.org/jira/browse/AIRFLOW-1467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17014654#comment-17014654
] 

ASF subversion and git services commented on AIRFLOW-1467:
----------------------------------------------------------

Commit 6df30a3ee78605e00376b3d2a0a537e27a6f20a9 in airflow's branch refs/heads/master from
Jarek Potiuk
[ https://gitbox.apache.org/repos/asf?p=airflow.git;h=6df30a3 ]

Revert "[AIRFLOW-1467] Dynamic pooling via allowing tasks to use more than one pool slot (depending
upon the need) (#6975)"

This reverts commit 277d01d4c57fe2470a8518c58bf0df9bf21e8f5e.


> 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: scheduler
>            Reporter: Adrian Bridgett
>            Priority: Trivial
>              Labels: pool
>             Fix For: 1.10.8
>
>
> 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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