The user who started the NN has superuser privileges on HDFS. You can also configure a supergroup by setting dfs.permissions.supergroup (default "supergroup")
-Todd On Wed, Dec 8, 2010 at 9:34 PM, Mark Kerzner <markkerz...@gmail.com> wrote: > Hi, > > "hadoop" user has some advantages for running Hadoop. For example, if HDFS > is mounted as a local file system, then only user "hadoop" has write/delete > permissions. > > Can this privilege be given to another user? In other words, is this > "hadoop" user hard-coded, or can another be used in its stead? > > Thank you, > Mark > -- Todd Lipcon Software Engineer, Cloudera
