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From "stack (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4616) Update hregion encoded name to reduce logic and prevent region collisions in META
Date Thu, 22 Dec 2011 05:41:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174624#comment-13174624
] 

stack commented on HBASE-4616:
------------------------------

Yeah, what Zhihong said (Thanks Ted).

One thought I had Alex was that we could narrow scope of this patch by not trying to hash
table name to give it uniform length as part of this patch.  Instead, just do removal of getClosestOrBefore
first (to do this you'll need to swap start for end row).  Hows that sound?   For your last-region-in-table
trick, you have a DELIMITER of ',' currently.   Perhaps the last region has a ';', which sorts
after ',' and is illegal as a tablename character (The comparators would have to look for
',' AND ';' to find the table/row boundary).
                
> Update hregion encoded name to reduce logic and prevent region collisions in META
> ---------------------------------------------------------------------------------
>
>                 Key: HBASE-4616
>                 URL: https://issues.apache.org/jira/browse/HBASE-4616
>             Project: HBase
>          Issue Type: Umbrella
>            Reporter: Alex Newman
>            Assignee: Alex Newman
>         Attachments: HBASE-4616-v2.patch, HBASE-4616-v3.patch, HBASE-4616.patch
>
>


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