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Posted to dev@hive.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2019/03/13 18:41:00 UTC

[jira] [Created] (HIVE-21443) Better usability for SHOW COMPACTIONS

Todd Lipcon created HIVE-21443:
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             Summary: Better usability for SHOW COMPACTIONS
                 Key: HIVE-21443
                 URL: https://issues.apache.org/jira/browse/HIVE-21443
             Project: Hive
          Issue Type: Improvement
          Components: Transactions
            Reporter: Todd Lipcon


Currently on a test cluster the output of 'SHOW COMPACTIONS' has 117k rows. This makes it basically useless to work with.

For better usability, we should support syntax like 'SHOW COMPACTIONS IN <database>' or maybe 'SHOW COMPACTIONS ON <table>' (particular syntax to be chosen for consistency with other operations I suppose).

Alternatively (or maybe in addition) it seems like it would be nice to expose the same data in a queryable table (eg in information_schema or a system namespace) so that I could do things like: SELECT dbname, state, count(*) from compactions group by 1,2;



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