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Apache Spark has levels to it: - Level 0 You can run spark-shell or pyspark, it means you can start - Level 1 You understand the Spark execution model: •RDDs vs DataFrames vs Datasets •Transformations (map, filter, groupBy, join) vs Actions (collect, count, show) •Lazy execution & DAG (Directed... show more
36,123 просмотров • 1 год назад •via X (Twitter)
Комментарии: 8

Great breakdown! Spark truly has so many layers. The jump from understanding transformations to optimizing shuffle operations is where things get real. What’s been your biggest challenge while scaling Spark jobs?

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Seems like Linux admins mixed with data engineering good for level 4

Any benefit to learning Spark if I'm already comfortable with Bigquery/BQ-SQL?

Spark 3.0 has automated most of the optimizations. Especially with delta files (includes file size optimizations). Do these levels still hold?

Spark

Spark

Could you add spark streaming concepts ? How efficient is it compared to Kafka ? What's the best way to learn? Practice streaming

