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Posted to dev@phoenix.apache.org by "Istvan Toth (Jira)" <ji...@apache.org> on 2023/05/10 12:59:00 UTC

[jira] [Created] (PHOENIX-6952) Do not disable normalizer on salted tables

Istvan Toth created PHOENIX-6952:
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             Summary: Do not disable normalizer on salted tables
                 Key: PHOENIX-6952
                 URL: https://issues.apache.org/jira/browse/PHOENIX-6952
             Project: Phoenix
          Issue Type: Bug
          Components: core
    Affects Versions: 5.1.3, 5.2.0
            Reporter: Istvan Toth


We have taken great lengths to disable the normalizer on salte tables to avoid PHOENIX-4096.


While disabling the normalizer helps with that, it also disables automatic splitting, which can lead to regions growing uncontrollably, and causing all kind of failures and data loss.

A better solution would be disabling merges on such tables instead. The normalizer does check that flag. It would also restrict manual merging, but that can be worked around by toggling the flag manually, and is a lesser problem than regions growin uncontrollably.

Alternatively, if we can fix PHOENIX-6910, then we can remove the normalizer restrictions.



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