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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7831) lightweight way to make RS commit suicide
Date Tue, 12 Feb 2013 18:55:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13576883#comment-13576883
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Jonathan Hsieh commented on HBASE-7831:
---------------------------------------

Can you talk about how this would be used by a user or dev? (or is this in the software itself
-- which the Abortable stuff should take care of).

Is the idea to remotely euthanize (via shell possibly) an unhappy region server?  Something
similar may be nice for masters as well (HA hdfs has a way to force an a master transition
-- this could be similar or our Masters or RS's).
                
> lightweight way to make RS commit suicide
> -----------------------------------------
>
>                 Key: HBASE-7831
>                 URL: https://issues.apache.org/jira/browse/HBASE-7831
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Sergey Shelukhin
>            Priority: Minor
>
> There are times in the life of many a region server when it realizes that it cannot go
on any longer in the hostile, inhospitable environment. Or it might realize that there's something
inherently wrong with it on the inside (probably because a developer screwed up). The only
way out is killing itself.
> There's code in some places currently that does Runtime halt in such cases, and there
may be code that calls HRegionServer method to do this.
> I think we need some easy-to-access (lightweight interface, or static) way to trigger
reliable (no catching exceptions on the upper levels, etc.) RS death in such cases.

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