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From "Lars Hofhansl (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3967) Support deletes in HFileOutputFormat based bulk import mechanism
Date Tue, 28 Feb 2012 06:45:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217957#comment-13217957
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Lars Hofhansl commented on HBASE-3967:
--------------------------------------

In HBASE-5440 I solved this by having the mapper output KVs and using KeyValueSortReducer.

                
> Support deletes in HFileOutputFormat based bulk import mechanism
> ----------------------------------------------------------------
>
>                 Key: HBASE-3967
>                 URL: https://issues.apache.org/jira/browse/HBASE-3967
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Kannan Muthukkaruppan
>         Attachments: diff.patch
>
>
> During bulk imports, it'll be useful to be able to do delete mutations (either to delete
data that already exists in HBase or was inserted earlier during this run of the import).

> For example, we have a use case, where we are processing a log of data which may have
both inserts and deletes in the mix and we want to upload that into HBase using the bulk import
mechanism.

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