Joe McDonnell created IMPALA-12908:
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Summary: Add a correctness verification mode for tuple caching
Key: IMPALA-12908
URL: https://issues.apache.org/jira/browse/IMPALA-12908
Project: IMPALA
Issue Type: Task
Components: Backend
Affects Versions: Impala 4.4.0
Reporter: Joe McDonnell
To get more coverage of tuple caching correctness, it would be useful to have
automated correctness checking for tuple caching. In this mode, the tuple cache
node would fetch results from its child, persist the new results to disk, then
compare the new results to the cache contents at the end. The goal is to be
able to run a variety of queries, including various end-to-end tests and verify
that there is no variability in the results stored to the cache.
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