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https://issues.apache.org/jira/browse/PHOENIX-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Taylor updated PHOENIX-4053:
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Attachment: PHOENIX-4053_v3.patch
> Lock row exclusively when necessary for mutable secondary indexing
> ------------------------------------------------------------------
>
> Key: PHOENIX-4053
> URL: https://issues.apache.org/jira/browse/PHOENIX-4053
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: James Taylor
> Attachments: PHOENIX-4053_4.x-HBase-0.98_v2.patch,
> PHOENIX-4053_4.x-HBase-0.98_v3.patch, PHOENIX-4053_v2.patch,
> PHOENIX-4053_v3.patch, PHOENIX-4053_wip.patch
>
>
> From HBase 1.2 on, rows are not exclusively locked when the preBatchMutate
> call is made (see HBASE-18474). The mutable secondary index (global and
> local) depend on this to get a consistent snapshot of a row between the point
> when the current row value is looked up, and when the new row is written.
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