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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18982) Provide a CLI option to manually trigger failover
Date Thu, 22 Mar 2018 21:33:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16410337#comment-16410337
] 

Prasanth Jayachandran commented on HIVE-18982:
----------------------------------------------

minor update: Removes the response modification if "isInstrumentationAccessAllowed()"  call
fails as the methods in itself sends error back in the response. So no use adding more to
it which won't reach the client anyways. 

> Provide a CLI option to manually trigger failover
> -------------------------------------------------
>
>                 Key: HIVE-18982
>                 URL: https://issues.apache.org/jira/browse/HIVE-18982
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-18982.1.patch, HIVE-18982.2.patch, HIVE-18982.3.patch, HIVE-18982.4.patch,
HIVE-18982.5.patch
>
>
> HIVE-18281 added active-passive HA. There might be a administrative need to trigger a
manual failover of HS2 Active server. Add command line tool to view list of all HS2 instances
and trigger manual failover (only under force mode). The clients currently connected to active
HS2 will be closed. In future, more options to existing clients connections can be handled
via configs/options (like wait until timeout, wait until current sessions are closed etc.)



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