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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2473) Add to admin create table start and end key params and desired number of regions
Date Thu, 05 Aug 2010 00:27:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895488#action_12895488
] 

Ted Yu commented on HBASE-2473:
-------------------------------

In HBaseAdmin.createTable(), the following should be used:
    if (numRegions < 4) {
      throw new IllegalArgumentException("Must create at least four regions");
    } else if(Bytes.compareTo(startKey, endKey) >= 0) {
because Bytes.split(startKey, endKey, numRegions - 3) call cannot accept last parameter being
0.

> Add to admin create table start and end key params and desired number of regions
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-2473
>                 URL: https://issues.apache.org/jira/browse/HBASE-2473
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: stack
>            Assignee: Jonathan Gray
>             Fix For: 0.90.0
>
>         Attachments: HBASE-2473-v1.patch, HBASE-2473-v2.patch, HBASE-2473_trunk.patch
>
>
> This would be an adornment on create table that pre-creates N regions in the new table.
 It came up yesterday at the hbase hackathon3.

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