[jira] [Resolved] (IMPALA-3134) Admission controller should not assume all backends have same proc mem limit

["Bikramjeet Vig (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-3134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bikramjeet Vig resolved IMPALA-3134.
------------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0

> Admission controller should not assume all backends have same proc mem limit
> ----------------------------------------------------------------------------
>
>                 Key: IMPALA-3134
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3134
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.5.0
>            Reporter: Matthew Jacobs
>            Assignee: Bikramjeet Vig
>            Priority: Minor
>              Labels: admission-control, ramp-up, resource-management
>             Fix For: Impala 3.1.0
>
>
> The admission policy now checks that all backends have enough available memory resources to execute the request, but it assumes that all backends share the same process mem limit as the impalad it itself is running on. In a heterogeneous environment, admission is wrong.



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