Thank you, Todd and Adarsh! Mark
On Thu, Dec 9, 2010 at 12:50 AM, Adarsh Sharma <[email protected]>wrote: > Todd Lipcon wrote: > >> 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 <[email protected]> >> 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 >>> >>> >>> >> >> >> >> >> > You may also set dfs.permissions = false and grant seperate groups to > access HDFS through properties in hdfs.sites.xml > > --Adarsh >
