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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2015/04/21 23:26:59 UTC

[jira] [Created] (PHOENIX-1902) Do not perform conflict detection for append-only tables

James Taylor created PHOENIX-1902:
-------------------------------------

             Summary: 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: Thomas D'Silva


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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