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From "Kannan Muthukkaruppan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3967) Support deletes in HFileOutputFormat based bulk import mechanism
Date Sat, 28 Apr 2012 08:16:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13264254#comment-13264254
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Kannan Muthukkaruppan commented on HBASE-3967:
----------------------------------------------

Here are the relevant patches:

1) Original fix:
http://svn.apache.org/viewvc?view=revision&revision=1181568

2) Followup fix for tie-breaking when duplicate mutations with same RowKey/ColKey/TS are put
or deleted.. we want to make sure the "later" one deterministically wins:
http://svn.apache.org/viewvc?view=revision&revision=1181589

Any volunteers to port this to trunk?


                
> 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
>            Priority: Critical
>             Fix For: 0.96.0
>
>         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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