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https://issues.apache.org/jira/browse/HBASE-15641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-15641:
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Status: Patch Available (was: Open)
> 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
> Attachments: 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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