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From "stack (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4991) Provide capability to delete named region
Date Fri, 24 Feb 2012 00:27:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215258#comment-13215258
] 

stack commented on HBASE-4991:
------------------------------

bq.  i have tried with getting a List<HRegion>, got into serialization issue

Yeah.  HRegion is not a Writable

bq. We are using znode just to start the task and update the state only. If we keep track
of intent vs action in same znode, considering the size of data in znode, we should not exceed>
1 MB as ZK admin guide says

Oh, you are talking of writing actual data into zk?  I was just talking of intent, a bare
mini language that outlines steps to complete an operation... something like your enums. 
I'd think this would be well under 1MB.

Good stuff.  Might make sense to work on a bit of a design doc first?
                
> 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
>            Assignee: Mubarak Seyed
>             Fix For: 0.94.0
>
>         Attachments: HBASE-4991.trunk.v1.patch, HBASE-4991.trunk.v2.patch
>
>
> 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 User may want to quickly dispose of out of date records by deleting specific regions.


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