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https://issues.apache.org/jira/browse/HIVE-5217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761621#comment-13761621
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Vaibhav Gumashta commented on HIVE-5217:
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Phab link: https://reviews.facebook.net/D12801
> 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: 0.12.0
> Reporter: Vaibhav Gumashta
> Assignee: Vaibhav Gumashta
>
> [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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