Help Center/ MapReduce Service/ FAQs/ Component Configurations/ Where Are the JAR Files and Environment Variables of Hadoop Stored?
Updated on 2025-10-23 GMT+08:00

Where Are the JAR Files and Environment Variables of Hadoop Stored?

  • hadoopstreaming.jar: /opt/share/hadoop-streaming-* (* indicates the Hadoop version.)
  • The JDK environment variables are stored in /opt/client/JDK/component_env.
  • The Hadoop environment variables are stored in /opt/client/HDFS/component_env.
  • The Hadoop client path is /opt/client/HDFS/hadoop.