[jira] [Resolved] (IMPALA-8712) Convert ExecQueryFInstance() RPC to become asynchronous

["Thomas Tauber-Marshall (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-8712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Tauber-Marshall resolved IMPALA-8712.
--------------------------------------------
    Fix Version/s: Impala 3.4.0
       Resolution: Fixed

> Convert ExecQueryFInstance() RPC to become asynchronous
> -------------------------------------------------------
>
>                 Key: IMPALA-8712
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8712
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Distributed Exec
>    Affects Versions: Impala 3.3.0
>            Reporter: Michael Ho
>            Assignee: Thomas Tauber-Marshall
>            Priority: Major
>             Fix For: Impala 3.4.0
>
>
> Now that IMPALA-7467 is fixed, ExecQueryFInstance() can utilize the async RPC capabilities of KRPC instead of relying on the half-baked way of using {{ExecEnv::exec_rpc_thread_pool_}} to start query fragment instances. We already have a reactor thread pool in KRPC to handle sending client RPCs asynchronously. Also various tasks under IMPALA-5486 can also benefit from making ExecQueryFInstance() asynchronous so the RPCs can be cancelled.



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