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https://issues.apache.org/jira/browse/HIVE-12550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15118389#comment-15118389
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Aihua Xu commented on HIVE-12550:
---------------------------------

The change looks good. One corner case: seems EvictingQueue doesn't accept 
'null', so you may need to check null before adding it.

> Cache and display last N completed queries in HS2 WebUI 
> --------------------------------------------------------
>
>                 Key: HIVE-12550
>                 URL: https://issues.apache.org/jira/browse/HIVE-12550
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 2.0.0
>            Reporter: Lenni Kuff
>            Assignee: Szehon Ho
>         Attachments: HIVE-12550.2.patch, HIVE-12550.patch, Historic Query 
> Screenshot.png
>
>
> Along with the in-flight queries, it would be nice to see the last N 
> (configurable?) completed queries since the last process restart (I don't 
> think this information needs to be persisted anywhere). 



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