On 04/03/15 09:30, Don Armstrong wrote:
Yep, this looks like the way to go - either with ncdu (if I can build it for lenny) or du + xdu.On Tue, 03 Mar 2015, Jacek Politowski wrote:On Tue, Mar 03, 2015 at 08:29:53PM +1300, Richard Hector wrote:I can run du, but that takes ages, and has a performance impact.With "idle" I/O scheduler class (set with ionice) does it still have a big performance impact?This is basically what I do myself; I run 'nice -n 19 ionice -c 3 du -a;' occasionally and feed the output into sort -n. Granted, this is only on about 1T of data, but the number of files are probably similar.
Around 6 million files, FWIW (well, including directories, based on find |wc -l
It takes about 9-10 minutes to run a du. Richard