Geetika Gupta shows us some of the updates in Apache Spark 2.2:
The major addition to this release is Structured Streaming. It has been marked as production ready and its experimental tag has been removed.
Some of the high-level changes and improvements :
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Production ready Structured Streaming
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Expanding SQL functionalities
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New distributed machine learning algorithms in R
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Additional Algorithms in MLlib and GraphX
Read on for more details.