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Posted to commits@cassandra.apache.org by "Robert Coli (JIRA)" <ji...@apache.org> on 2015/02/02 22:51:35 UTC

[jira] [Created] (CASSANDRA-8721) expose "shadowed" columns in tracing output

Robert Coli created CASSANDRA-8721:
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             Summary: expose "shadowed" columns in tracing output
                 Key: CASSANDRA-8721
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8721
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Robert Coli
            Priority: Trivial


Current tracing messages expose how many tombstones are read in order to read live columns, but they do not expose shadowed columns. Shadowed columns are columns where the timestamp for a given column is lower than the highest timestamp for that column.

It would be useful for users who are tracing queries to understand how many shadowed columns are being read-than-ignored.



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