In .20 and later, user and group information is taken from the NN's OS. There is no useradd or groupadd.
Brian On Mar 23, 2011, at 1:19 AM, springring wrote: > Hi, > > There are "chmod"、"chown"、"chgrp" in HDFS, > is there some command like "useradd -g" to add a > user in a group,? Even more, is there "hadoop's > group", not "linux's group"? > > > Ring
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