> Anyone know if it has the same single point of failure issues as HDFS (NameNode)? I think the NameNode SPOF issue in HDFS is also being dealt with: "Prior t

> Anyone know if it has the same single point of failure issues as HDFS (NameNode)? I think the NameNode SPOF issue in HDFS is also being dealt with: "Prior to Hadoop 2.0.0, the NameNode was a single point of failure (SPOF) in an HDFS cluster. [...] The HDFS High Availability feature addresses the above problems by providing the option of running two redundant NameNodes [...]" http://hadoop.apache.org/docs/r2.0.3-alpha/hadoop-yarn/hadoop-yarn-site/HDFSHighAvailabilityWithQJM.html#Background http://hadoop.apache.org/docs/r2.0.3-alpha/hadoop-yarn/hadoo...