Shulou(Shulou.com)05/31 Report--

Editor to share with you how to start and run the HDFS file system and Mapreduce framework on RedHat Linux, I believe most people do not know much about it, so share this article for your reference. I hope you will get a lot after reading this article. Let's learn about it together.

Note: the version I use, hadoop-0.20.2, formats the distributed file system and executes the hadoop namenode-format command. Start the process start-all.sh, and then exit safe mode hadoop dfsadmin-safemode leave.

If the test is successful, the next step is to run the wordcount program that comes with the framework.

These are all the contents of the article "how to start and run the HDFS File system and Mapreduce Framework on RedHat Linux". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.