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Posted to issues-all@impala.apache.org by "Grant Henke (Jira)" <ji...@apache.org> on 2021/01/29 15:35:00 UTC

[jira] [Created] (IMPALA-10465) Support Kudu "ignore" operations

Grant Henke created IMPALA-10465:
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             Summary: Support Kudu "ignore" operations
                 Key: IMPALA-10465
                 URL: https://issues.apache.org/jira/browse/IMPALA-10465
             Project: IMPALA
          Issue Type: Improvement
            Reporter: Grant Henke


Kudu recently added support for INSERT_IGNORE, UPDATE_IGNORE, and DELETE_IGNORE to handle cases where users want to ignore primary key errors in an efficient way. Impala already does this today for it's INSERT behavior, however it does so by ignoring the per-row errors from Kudu client side. This requires a large error buffer (which may need to be expanded in rare cases) to log all of the warning messages which users often do not care about and causes significant RPC overhead.

Instead it would be good to add a property or special IGNORE keyword to leverage the new ignore operations.



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