You have activated Alibaba Cloud service and created an AccessKey ID and AccessKey Secret. In the documents, ID represents the AccessKey ID and KEY indicates the AccessKey Secret. If you have not activated the OSS service, or want to learn more about the OSS service, log on to the OSS Product Homepage for more help.
You have considerable knowledge on Spark, Hadoop, Hive, and Pig. This text does not provide additional introduction to Spark, Hadoop, Hive, or Pig development and practice. For more development documents and materials, refer to Apache Official Website.
You have considerable knowledge on Java and Scala syntax. Some examples in these documents use the Scala language.