Csaba Ringhofer created IMPALA-15192:
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Summary: Implement COMPUTE INCREMENTAL STATS for Iceberg
Key: IMPALA-15192
URL: https://issues.apache.org/jira/browse/IMPALA-15192
Project: IMPALA
Issue Type: Improvement
Reporter: Csaba Ringhofer
See epic for higher level design.
This ticket is about implementing incremental behavior:
1. check snapshot used for last compute stats
2. run compute stats only for new files
3. merge stats and hll (or theta) arrays with results of prev compute stats
4. write merged results back in puffin
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