Deep Dive into Query Execution in Spark SQL 2.3 - Jacek Laskowski | Crunch 2018

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Very valuable lecture and appreciate Jacek explaining and enthusiasm abilities. Kudos to you sir!!!

I strongly recommend Apache Spark website to have a link to this video.

One thing I would like to have in future lectures from Jacek is, in the industry engineers who just does surface level Spark learning keep saying Spark is a "in-memory" processing system and it .does caching blah My request to Jacek is to have a session on this "in-memory" and help community understand "what does it really mean - under the hood"

javakishore