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https://issues.apache.org/jira/browse/PHOENIX-4997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karan Mehta updated PHOENIX-4997:
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Attachment: PHOENIX-4997.4.x-HBase-1.4.001.patch
> Phoenix MR on snapshots can produce duplicate rows
> --------------------------------------------------
>
> Key: PHOENIX-4997
> URL: https://issues.apache.org/jira/browse/PHOENIX-4997
> Project: Phoenix
> Issue Type: Bug
> Reporter: Karan Mehta
> Assignee: Karan Mehta
> Priority: Major
> Fix For: 4.15.0, 5.1.0
>
> Attachments: PHOENIX-4997.4.x-HBase-1.4.001.patch,
> PHOENIX-4997.master.001.patch, PHOENIX-4997.master.002.patch
>
>
> Phoenix MR over snapshots uses TableSnapshotResultIterator and
> SnapshotScanner classes for iterating/scanning over snapshots. They had been
> copied over from HBase classes TableSnapshotScanner and
> ClientSideRegionScanner classes and modified according to Phoenix
> requirements. This decision was taken since some of fields of these classes
> were private and hence it is not possible to reuse them. HBASE-8369 is the
> main Jira.
> The framework had a bug which was fixed as part of HBASE-16011. However the
> fix was not ported to Phoenix and hence Phoenix MR over snapshots still
> continues to have it. This Jira is to fix that issue.
> FYI [~akshita.malhotra]
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