[jira] [Commented] (MESOS-4073) Expose recovery parameters from Hierarchical allocator

["Qian Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-4073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046015#comment-15046015 ] 

Qian Zhang commented on MESOS-4073:
-----------------------------------

Agree that these parameters should be exposed in a JSON file rather than master flags, but currently hierarchical allocator is not a module yet, so if we want it to accept a JSON file like other modules, should we make it an allocator module first?

> Expose recovery parameters from Hierarchical allocator
> ------------------------------------------------------
>
>                 Key: MESOS-4073
>                 URL: https://issues.apache.org/jira/browse/MESOS-4073
>             Project: Mesos
>          Issue Type: Improvement
>          Components: allocation
>            Reporter: Alexander Rukletsov
>            Assignee: Alexander Rukletsov
>              Labels: mesosphere
>
> While implementing recovery in the hierarchical allocator, we introduced some internal constants that influence the recovery process: {{ALLOCATION_HOLD_OFF_RECOVERY_TIMEOUT}} and {{AGENT_RECOVERY_FACTOR}}. We should expose these parameters for operators to configure.
> However, I am a bit reluctant to expose them as master flags, because they are implementation specific. It would be nice to combine all hierarchical allocator-related flags into one (maybe JSON) file, similar to how we do it for modules.



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