Comment on A lost decade chasing distributed architectures for data analytics?parentComments−spark13774851yPySpark is great, except for UDF performance. This gap means that Scala is helpful for some Spark edge cases like column-level encryption/decryption with UDF
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PySpark is great, except for UDF performance. This gap means that Scala is helpful for some Spark edge cases like column-level encryption/decryption with UDF