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Posted to dev@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2015/08/03 21:16:04 UTC

[jira] [Created] (HIVE-11444) ACID Compactor should generate stats/alerts

Eugene Koifman created HIVE-11444:
-------------------------------------

             Summary: ACID Compactor should generate stats/alerts
                 Key: HIVE-11444
                 URL: https://issues.apache.org/jira/browse/HIVE-11444
             Project: Hive
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 1.0.0
            Reporter: Eugene Koifman
            Assignee: Eugene Koifman


Compaction should generate stats about number of files it reads, min/max/avg size etc.  It should also generate alerts if it looks like the system is not configured correctly.

For example, if there are lots of delta files with very small files, it's a good sign that Streaming API is configured with batches that are too small.



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