[jira] [Resolved] (IMPALA-5216) Admission control queuing should be asynchronous

["Tim Armstrong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-5216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-5216.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0
                   Impala 2.13.0

Resolving on Bikram's behalf - he's afk for a bit.

> Admission control queuing should be asynchronous
> ------------------------------------------------
>
>                 Key: IMPALA-5216
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5216
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>            Reporter: Dan Hecht
>            Assignee: Bikramjeet Vig
>            Priority: Major
>              Labels: admission-control, resource-management
>             Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> Currently, admission control queuing occurs synchronously w.r.t. the {{ExecuteStatement}} client RPC. That is, a query handle is not returned until the query is admitted.
> Instead, the queuing should occur on the asynchronous path.  That way, the client gets a query handle back immediately and can e.g. cancel a query that is in the admission control queue.
> We'll also need a way to better expose the progress of a query handle (related to IMPALA-124). E.g. that the query is queued for admission and what resource(s) it's waiting on.



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