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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-4053) Lock row exclusively when necessary for mutable secondary indexing
Date Sun, 30 Jul 2017 00:25:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor updated PHOENIX-4053:
----------------------------------
    Attachment: PHOENIX-4053_4.x-HBase-0.98_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_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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