[jira] [Created] (CASSANDRA-8431) Stress should validate the results of queries in "user" profile mode

["Benedict (JIRA)" <ji...@apache.org>]

Benedict created CASSANDRA-8431:
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             Summary: Stress should validate the results of queries in "user" profile mode
                 Key: CASSANDRA-8431
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8431
             Project: Cassandra
          Issue Type: Improvement
          Components: Tools
            Reporter: Benedict


CASSANDRA-8429 was exhibited by the validation logic in stress. However at the moment the new-fangled profile driven "user" mode doesn't perform any validation. So as we default more and more to the new approach we will be less and less likely to spot correctness issues.

Introducing validation logic here could be tricky, since we can support arbitrary user queries. However we could support a query mode where only the columns and number of cql rows to fetch are defined, for which we could calculate the exact result set we expect. There would be complications with insertions that proceed out-of-order, but we could either not support this mode, or have a validation mode that just ensures a superset of the data we know to be inserted has been.



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