khaitranq opened a new pull request, #4759:
URL: https://github.com/apache/iceberg/pull/4759
This PR will make sort rewrite action an idempotent operation, meaning we
will skip sorting data if the data files are somewhat already sorted.
Rewrite action for sort strategy will be skipped (no-op) if
1. REWRITE_ALL flag is not set and
2. There should be enough number of data files with good sizes and
3. Data files are considered as sorted
We use threshold params to control 2 and 3.
Proposal doc for the feature:
https://docs.google.com/document/d/1rZUHljNsLn8JqsO5lYElst3F800T8OBnQ5fasUB-fp8/
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