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From "Gary Helmling (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15641) Shell "alter" should do a single modifyTable operation
Date Tue, 26 Apr 2016 00:14:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15257314#comment-15257314
] 

Gary Helmling commented on HBASE-15641:
---------------------------------------

Can we apply this to branch-1.3 as well?  cc: [~mantonov]

> Shell "alter" should do a single modifyTable operation
> ------------------------------------------------------
>
>                 Key: HBASE-15641
>                 URL: https://issues.apache.org/jira/browse/HBASE-15641
>             Project: HBase
>          Issue Type: Improvement
>          Components: shell
>            Reporter: Gary Helmling
>            Assignee: Matt Warhaftig
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: hbase-15641-branch-1-v1.patch, hbase-15641-v1.patch
>
>
> When performing an "alter" on multiple column families in a table, then shell will perform
a separate {{Admin.modifyColumn()}} call for each column family being modified, with all of
the table regions being bulk-reopened each time.  It would be much better to simply apply
all the changes to the table descriptor, then do a single call to {{Admin.modifyTable()}}.



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