Re: Hadoop: dfs.namenode.name.dir and dfs.datanode.data.dir

2016-06-09 Thread Andrew Stadtler
This should probably go to u...@hadoop.apache.org mailing list since it's an HDFS specific question and not Ambari related. http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HdfsDesign.html That being said they are two different setting the namenode data dir just stores meta

Hadoop: dfs.namenode.name.dir and dfs.datanode.data.dir

2016-06-09 Thread rammohan ganapavarapu
Hi, I am trying to understand these two properties if i use multiple disks/mount points, For example i have a server with 3 100gb disk mounted on /data1,/data2,/data3 and if i use them for both data.dir and name.dir do i get total ~300gb disk space for the data or i only get 100gb and other two d