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From "Zhihong Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4991) Provide capability to delete named region
Date Fri, 27 Jan 2012 18:12:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194967#comment-13194967
] 

Zhihong Yu commented on HBASE-4991:
-----------------------------------

Considering various failure cases, I think we need to store the state of region deletion progress
in zookeeper (under /hbase/fast-delete, e.g.).
This is needed because we should be prepared that update of R1 in the above case may fail.
You can find an example in HBASE-4213 where SchemaChangeTracker tracks the state transitions.
                
> Provide capability to delete named region
> -----------------------------------------
>
>                 Key: HBASE-4991
>                 URL: https://issues.apache.org/jira/browse/HBASE-4991
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>
> See discussion titled 'Able to control routing to Solr shards or not' on lily-discuss
> User may want to quickly dispose of out of date records by deleting specific regions.


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