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https://issues.apache.org/jira/browse/PHOENIX-4344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236914#comment-16236914
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James Taylor commented on PHOENIX-4344:
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I see - yes, you're right - that would work. It'd do a point scan for each row
if there was a non PK column as it'd need to look up that value to maintain the
index. It'd work, it'd just be slow.
> MapReduce Delete Support
> ------------------------
>
> Key: PHOENIX-4344
> URL: https://issues.apache.org/jira/browse/PHOENIX-4344
> Project: Phoenix
> Issue Type: New Feature
> Affects Versions: 4.12.0
> Reporter: Geoffrey Jacoby
> Assignee: Geoffrey Jacoby
> Priority: Major
>
> Phoenix already has the ability to use MapReduce for asynchronous handling of
> long-running SELECTs. It would be really useful to have this capability for
> long-running DELETEs, particularly of tables with indexes where using HBase's
> own MapReduce integration would be prohibitively complicated.
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