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Posted to dev@hive.apache.org by "Vaibhav Gumashta (JIRA)" <ji...@apache.org> on 2013/12/05 02:35:36 UTC
[jira] [Commented] (HIVE-5232) Make JDBC use the new HiveServer2
async execution API by default
[ https://issues.apache.org/jira/browse/HIVE-5232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13839658#comment-13839658 ]
Vaibhav Gumashta commented on HIVE-5232:
----------------------------------------
Need to add any tests wrt [HIVE-5230|https://issues.apache.org/jira/browse/HIVE-5230] change if required.
> Make JDBC use the new HiveServer2 async execution API by default
> ----------------------------------------------------------------
>
> Key: HIVE-5232
> URL: https://issues.apache.org/jira/browse/HIVE-5232
> 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-5232.1.patch
>
>
> [HIVE-4617|https://issues.apache.org/jira/browse/HIVE-4617] provides support for async execution in HS2. There are some proposed improvements in followup JIRAs:
> # [HIVE-5217|https://issues.apache.org/jira/browse/HIVE-5217]
> # [HIVE-5229|https://issues.apache.org/jira/browse/HIVE-5229]
> # [HIVE-5230|https://issues.apache.org/jira/browse/HIVE-5230]
> # [HIVE-5441|https://issues.apache.org/jira/browse/HIVE-5441]
> There is also [HIVE-5060|https://issues.apache.org/jira/browse/HIVE-5060] which assumes that execute to be asynchronous by default.
>
> Once they are in, we can think of using the async API as the default for JDBC. This is likely going to provide performance benefits as a long running query need not keep the underlying TCP connection open for the entire duration.
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