-Re: Security for 0.22
Owen O'Malley 2012-01-04, 22:40
0.22 has had the linux task controller removed, because it lacks a
forward port of MAPREDUCE-2178. (MR-2178 fixes a root exploit in the
linux task controller.) That means that all 0.22 Hadoop clusters run
all mapreduce tasks as the same uid as the task tracker.