Big Data Skills Bytes Scala 
ProjectPro
JANUARY 31, 2023
Metadata for a file, block, or directory typically takes 150 bytes. DistCP is used to transfer data between clusters, whereas Sqoop is only used to transfer data between Hadoop and RDBMS. Theoretical knowledge is not enough to crack any Big Data interview. Spark stores data in RDDs on several partitions.
ProjectPro
NOVEMBER 22, 2021
PySpark runs a completely compatible Python instance on the Spark driver (where the task was launched) while maintaining access to the Scala-based Spark cluster access. Although Spark was originally created in Scala, the Spark Community has published a new tool called PySpark, which allows Python to be used with Spark.
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