Apache Spark and Amazon S3 — Gotchas and best practices
subhojit banerjee

I ran into this at my last job and created this afterwards: https://github.com/EntilZha/spark-s3 (docs: http://spark-s3.entilzha.io/latest/api/ example: https://github.com/EntilZha/spark-s3/blob/master/src/test/scala/io/entilzha/spark/s3/S3ContextSpec.scala)

It implements the method showed in the post plus balancing files with the Least Processing Time algorithm. I saw huge performance boosts since the cluster was no longer idling on the driver.

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