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From "Thomas D'Silva (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-1902) Do not perform conflict detection for append-only tables
Date Tue, 04 Aug 2015 23:49:04 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-1902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas D'Silva updated PHOENIX-1902:
------------------------------------
    Assignee: James Taylor  (was: Thomas D'Silva)

> Do not perform conflict detection for append-only tables
> --------------------------------------------------------
>
>                 Key: PHOENIX-1902
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1902
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: James Taylor
>
> When a table is declared as write-once/append-only (IMMUTABLE_ROWS=true), then we should
disable the conflict detection being done by Tephra as there can be no conflicts. This is
a much lighter weight model that relies on Tephra mainly to:
> - filter rows for failed (and unabortable) transactions.
> - not show transactional data until it has successfully been committed.



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