[jira] [Commented] (HIVE-16917) HiveServer2 guard rails - Limit concurrent connections from user

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

    [ https://issues.apache.org/jira/browse/HIVE-16917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16054310#comment-16054310 ] 

Thejas M Nair commented on HIVE-16917:
--------------------------------------

Should we also have a threshold for User + ip address combination as well ? It would make sense if multiple applications use same user, and only one instance running from a specific machine has issues.
Default config values could be like
per user threshold : 50
per user + IP threshold : 20


> HiveServer2 guard rails - Limit concurrent connections from user
> ----------------------------------------------------------------
>
>                 Key: HIVE-16917
>                 URL: https://issues.apache.org/jira/browse/HIVE-16917
>             Project: Hive
>          Issue Type: New Feature
>          Components: HiveServer2
>            Reporter: Thejas M Nair
>
> Rogue applications can make HS2 unusable for others by making too many connections at a time.
> HS2 should start rejecting the number of connections from a user, after it has reached a configurable threshold.



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