[jira] [Commented] (HIVE-5217) Add long polling to asynchronous execution in HiveServer2

["Thejas M Nair (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13814515#comment-13814515 ] 

Thejas M Nair commented on HIVE-5217:
-------------------------------------

+1 for latest patch in phabricator. Can you please upload that patch to jira as well ?


> Add long polling to asynchronous execution in HiveServer2
> ---------------------------------------------------------
>
>                 Key: HIVE-5217
>                 URL: https://issues.apache.org/jira/browse/HIVE-5217
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>    Affects Versions: 0.13.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Vaibhav Gumashta
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5217.D12801.2.patch, HIVE-5217.D12801.3.patch, HIVE-5217.D12801.4.patch
>
>
> [HIVE-4617|https://issues.apache.org/jira/browse/HIVE-4617] provides support for async execution in HS2. The client gets an operation handle which it can poll to check on the operation status. However, the polling frequency is entirely left to the client which can be resource inefficient. Long polling will solve this, by blocking the client request to check the operation status for a configurable amount of time (a new HS2 config) if the data is not available, but responding immediately if the data is available.



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