Yes, it means that 0.22 doesn't support Kerberos. -Joey
On Thu, Dec 29, 2011 at 9:41 AM, Praveen Sripati <[email protected]> wrote: > Hi, > > The release notes for 0.22 > (http://hadoop.apache.org/common/releases.html#10+December%2C+2011%3A+release+0.22.0+available) > it says > >>The following features are not supported in Hadoop 0.22.0. > > >Security. > >Latest optimizations of the MapReduce framework introduced in the > Hadoop 0.20.security line of releases. > >Disk-fail-in-place. > >JMX-based metrics v2. > > By Security missing, what all features are missing? Does it mean Kerberos > integration is missing? > > In o.a.h.hdfs.server.datanode.SecureDataNodeStarter.java, the following code > is there > > if(!conf.get(HADOOP_SECURITY_AUTHENTICATION).equals("kerberos")) > throw new RuntimeException("Cannot start secure datanode in unsecure > cluster"); > > Regards, > Praveen -- Joseph Echeverria Cloudera, Inc. 443.305.9434
