Hi, HDFS does this to estimate space reports. Perhaps the discussion here may help you: http://search-hadoop.com/m/LLBgUiH0Bg2
On Thu, Jan 24, 2013 at 12:51 PM, Xibin Liu <xibin.liu...@gmail.com> wrote: > hi all, > I found hdfs du periodicity(one hour), and because my disk is big, the > smallest one is 15T, so when hdfs exec du, datanode will not respond for > about 3 minuts because of io loading, this cause a lot of problem, anybody > knows why hdfs doing this and how to disable it? > > -- > Thanks & Regards > Xibin Liu > -- Harsh J
