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Parquet

Apache Parquet

Parameter
Value
path
A string which specifies the origin of the file
rowGroupSize
The recommended disk block/row group/file size is 512 to 1024 MB on HDFS.
<ParquetDataSource 
    path="String" 
    rowGroupSize="String">
    <Schema>
    ...
    </Schema>
    <Filter/>
</ParquetDataSource> 
​
​

Oracle Query

Polling Event

Last modified 1yr ago

Parameter	Value
path	A string which specifies the origin of the file
rowGroupSize	The recommended disk block/row group/file size is 512 to 1024 MB on HDFS.