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https://issues.apache.org/jira/browse/HBASE-3967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13264447#comment-13264447
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Lars Hofhansl commented on HBASE-3967:
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In that case I am a bit confusing about the point of this jira.
A mapper can already produce KeyValues and there already is KeyValueSortReducer.
Also 0.92+ has Mutation (as parent to both Put and Delete), which could be used
for the same (with a new reducer of course).
> 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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