Hi Keith, The "fs -du" computes length of files, and would not report replicated on-disk size. HDFS disk utilization OTOH, is the current, simple report of used/free disk space, which would certainly include replicated data.
On Mon, Apr 22, 2013 at 10:49 PM, Keith Wiley <kwi...@keithwiley.com> wrote: > Simple question: When I issue a "hadoop fs -du" command and/or when I view > the namenode web UI to see HDFS disk utilization (which the namenode reports > both as bytes and percentage), should I expect to see disk use reported as > "true data size" or as replicated size (e.g. with 3X replication, should I > expect reported values to be three times higher than the actual underlying > data itself)? > > Thanks. > > ________________________________________________________________________________ > Keith Wiley kwi...@keithwiley.com keithwiley.com > music.keithwiley.com > > "I used to be with it, but then they changed what it was. Now, what I'm with > isn't it, and what's it seems weird and scary to me." > -- Abe (Grandpa) Simpson > ________________________________________________________________________________ > -- Harsh J
