Please take a look at http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/HDFSHighAvailabilityWithQJM.html
To my understanding, nn1 and nn2 are IDs of the NameNodes - they don't have to be the same as namenode hostnames. Cheers On Wed, Jul 24, 2013 at 7:09 PM, ch huang <[email protected]> wrote: > hi,all: > i am testing namenode HA,and how to config name node id? use namenode > hostname? > here nn1,nn2 is what? > > <property> > <name>dfs.ha.namenodes.mycluster</name> > <value>nn1,nn2</value> > </property> >
