We are only runnng hdfs, so we only need to upgrade that. Since it was a dev environment, we shut all of hdfs down, download hadoop-2.6.0-cdh5.8.4.tar.gz from http://archive.cloudera.com/cdh5/cdh/5/ and run with that. (We are actually running with hdfs on mesos, so the artifacts get packaged up into an uberjar with the mesos executor, but there's no real magic there. I think it just uses the stuff in hadoop/common and hadoop/hdfs and some of the run scripts.)
... View more
