请问Ubuntu 17.10兼容哪个版本的Hadoop？

Hey there! Let's break down which Hadoop versions play nice with Ubuntu 17.10.

First, quick context: Ubuntu 17.10 ships with OpenJDK 8 as the default Java runtime, which is critical because Hadoop's compatibility is heavily tied to Java versions. Here are the verified, reliable compatible releases:

1. Hadoop 2.x Series (Stable & Widely Adopted) #

Most 2.x releases work seamlessly with Ubuntu 17.10, since they fully support Java 8 (some even work with Java 7, but sticking with 8 is better for stability):

• Hadoop 2.7.x: A long-term support (LTS) release with massive community backing. It’s been extensively tested on Ubuntu 17.10 and has no major compatibility hiccups.
• Hadoop 2.8.x: Builds on 2.7.x with performance boosts, and runs smoothly on Ubuntu 17.10’s system. Just double-check you have OpenJDK 8 installed.
• Hadoop 2.9.x: The final release in the 2.x line, fully compatible with Java 8 and Ubuntu 17.10’s modern libraries.

2. Hadoop 3.x Early Releases #

While Hadoop 3.x brought new features, its initial releases still support Java 8, making them compatible with Ubuntu 17.10:

• Hadoop 3.0.x: Functions well, though some newer HDFS features might need minor config tweaks (like adjusting DataNode memory settings).
• Hadoop 3.1.x: More polished than 3.0.x, with better integration with Ubuntu 17.10’s networking and filesystem tools.

Key Setup Tips #

• Stick to OpenJDK 8 (skip newer Java versions like 9—early Hadoop releases don’t support them). Install it with:

  sudo apt-get install openjdk-8-jdk
  

• Verify your Java version after installation:

  java -version
  

  You should see output starting with openjdk version "1.8.0_xxx".
• For Hadoop 3.x, update the hadoop-env.sh file to point to your Java 8 path, e.g.:

  export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
  

Versions to Steer Clear Of #

• Hadoop 1.x: Extremely outdated, unmaintained, and has known conflicts with Ubuntu 17.10’s modern system libraries.
• Hadoop 3.2+ and later: These require Java 11, which isn’t the default on Ubuntu 17.10. While you can install Java 11 manually, it’ll introduce more configuration headaches than it’s worth.

内容的提问来源于stack exchange，提问作者Anupam Mishra