Determines the size of RowGroups used while creating Parquet files if a value is not explicitly provided through user query.
Native Object Store
4 to 16 MB
Changes Take Effect
After the DBS Control Record has been written.
- There is a chance of higher main memory usage when the row group size is large.
- Main memory usage depends on the number of columns in the table.
The following fields affect the NOS feature and foreign table access.