Increase split processing config parameters #19487
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radek-kondziolka
approved these changes
Oct 23, 2023
raunaqmorarka
approved these changes
Oct 23, 2023
Improve query performance with easy to process splits by increasing the number of splits assigned.
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hi, @Dith3r . Links cannot be opened (http 404). Can you fix them (may need to make them public). Thanks! |
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Description
Improve query performance with easy to process splits by increasing the number of splits assigned, and makes initial worker split concurrency two times higher, but much slower to be adjusted (increased) based on memory utilization.
Salesforce benchmark:
c_sales.pdf
Hive/parquet/part:
c_hive_par_part.pdf
Hive/parquet/unpart:
c_hive_par_unpart.pdf
Iceberg/parquet/part:
c_iceberg_par_part.pdf
Iceberg/parquet/unpart:
c_iceberg_par_unpart.pdf
Additional context and related issues
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