Don't fix it if it ain't broken =P There shouldn't be any reason why you couldn't change it (back) to the standard way that cloudera distributions are set up. Off the top of my head, I can't think of anything that you're missing. But at the same time, if your cluster is working as is, why change it?
On Wed, Oct 16, 2013 at 2:24 PM, Patai Sangbutsarakum < [email protected]> wrote: > Question is on cdh3u4, the cluster was setup before I owned this cluster, > and somehow the namenode/jobtracker/datanode/tasktracker every server > process is run by a user named foo, and all job are launch and run by foo > user include HDFS directories/files structure owenership, basically foo is > everywhere. > > Today i start to think of trying to correct this by having > has namenode + datanode run by hdfs user > has jobtracker + tasktracker run by mapred user > > So far, i have a very short list that need to be changed, and i will try > out in the test cluster. > eg. > create use hdfs, mapred every where > ownership of dfs.name.dir, dfs.data.dir, fs.checkpoint.dir will change to > hdfs > ownership of mapred.local.dir, will change to mapred > restart the cluster with hdfs for HDFS side, and mapred for MapRed side. > > i am 100% sure that i missed certain things that have to take care, I will > really appreciate all the input. > > However, the original question i would love to ask is this even feasible > or make sense trying to change this. > > > Thanks > P >
