※ 환경 Windows 10 Java version: 1.8.0_281 Python version: 3.8.5 RAM: 8.00GB ※ 설치 1. Apache Spark 다운로드 https://spark.apache.org/downloads.html Downloads | Apache Spark Download Apache Spark™ Choose a Spark release: Choose a package type: Download Spark: Verify this release using the and project release KEYS. Note that, Spark 2.x is pre-built with Scala 2.11 except version 2.4.2, which is pre-built ..