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From "Andrew Sherman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16917) HiveServer2 guard rails - Limit concurrent connections from user
Date Wed, 01 Nov 2017 16:11:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16234296#comment-16234296
] 

Andrew Sherman commented on HIVE-16917:
---------------------------------------

A single connection can result in multiple threads. So could you make a denial-of-service
attack using a single connection? Connections would then fail after the number of client connections
is greater than hive.server2.thrift.max.worker.threads.

> 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
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-16917.1.patch
>
>
> 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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