Diagram Raymond Raymond

Spark Partition Discovery

event 2021-12-22 visibility 429 comment 0
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Spark supports partition discovery. All built in file sources (Text/CSV/JSON/ORC/Parquet) supports partition discovery and partition information inference. 

This data shows a example data set that is stored by two partition levels: month and country.

The following code snippet will read all the underlying parquet files:

df = spark.read.option("basePath","/data").parquet("/data")
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