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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-793) HTable.getStartKeys() ignores table names when matching columns
Date Mon, 04 Aug 2008 17:28:44 GMT

     [ https://issues.apache.org/jira/browse/HBASE-793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-793:
------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Thanks Andrew for the patch (and Dru for figuring the bug).  Committed.

> HTable.getStartKeys() ignores table names when matching columns
> ---------------------------------------------------------------
>
>                 Key: HBASE-793
>                 URL: https://issues.apache.org/jira/browse/HBASE-793
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.2.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.2.0
>
>         Attachments: 0.2.0-793.patch
>
>
> Dru Jensen wrote on hbase-user@
> > I found what is causing the same rows being sent to multiple map tasks.
> > If you have the same column family name in other tables, the Test will
> > send the same rows to multiple map reducers.
> Stack wrote in response:
> > Indeed, a bug in getStartKeys will make us process all tables that have
> > a column family name in common.
> [...]
> > The above Visitor is visiting the meta table.  Its checking column
> > family name.  Any region that is not offlined or split gets added to the
> > list of regions.  Its not checking that the region belongs to the wanted
> > table.

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