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From "Jarek Potiuk (Jira)" <>
Subject [jira] [Reopened] (AIRFLOW-1467) allow tasks to use more than one pool slot
Date Mon, 13 Jan 2020 21:23:00 GMT


Jarek Potiuk reopened AIRFLOW-1467:
      Assignee: Lokesh Lal

Reopening as there were accidentally two merge heads created and we needed to revert the merged

> allow tasks to use more than one pool slot
> ------------------------------------------
>                 Key: AIRFLOW-1467
>                 URL:
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: scheduler
>            Reporter: Adrian Bridgett
>            Assignee: Lokesh Lal
>            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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