> For the complete documentation index, see [llms.txt](https://jinhoko.gitbook.io/apache-spark-assembly/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jinhoko.gitbook.io/apache-spark-assembly/master.md).

# Apache Spark Assembly

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**In construction!!!**
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Apache Spark 3.0.0 `branch-3.0`

\+ Hadoop v2.7

Target readers 

* intermediate level on spark, who knows the basic operators and workflow of apache spark
* who want to know the detailed and actual design of the spark system
* who want to interpret big systems

Principle of writing this book

* how they designed the system
* how the program will work
* why they designed the system like this (in my own reasonable guess)