Mukul Tewathia created DRILL-7760:
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Summary: REFRESH TABLE METADATA increases the planning time while
querying over parquet files.
Key: DRILL-7760
URL: https://issues.apache.org/jira/browse/DRILL-7760
Project: Apache Drill
Issue Type: Bug
Components: Metadata
Affects Versions: 1.17.0
Environment: Apache Drill Web UI ( 1.170.0 )
Reporter: Mukul Tewathia
Fix For: Future
After running
REFRESH TABLE METADATA <table>
The planning time increases for a particular query increases from 35 secs to
more than 3 minutes.
Parquet file consist of 10M rows and 7 columns and is partitioned on 2 columns
( both the column contains 8 unique values ).
What could be the possible explanation for this behaviour ?
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