Miroslav Holubec created DRILL-4849:
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Summary: Refresh table metadata performance: read only new/updated
parquet files
Key: DRILL-4849
URL: https://issues.apache.org/jira/browse/DRILL-4849
Project: Apache Drill
Issue Type: Improvement
Components: Query Planning & Optimization
Affects Versions: 1.7.0
Reporter: Miroslav Holubec
Currently REFRESH TABLE METADATA takes serious amount of time for many small
parquet files. We can actually only read these parquets, which are new or
changed. This will require to add modificationTime into file metadata.
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