Re: Cheap way to track disk usage?
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On 03/03/15 23:17, Richard Hector wrote:
> On 03/03/15 22:55, Darac Marjal wrote:
>> On Tue, Mar 03, 2015 at 10:09:41AM +0200, Johann Spies wrote:
>>>
>>>
>>> I can run du, but that takes ages, and has a performance
>>> impact. df only gives the total for the filesystem, of course.
>>>
>>> Try ncdu. It also takes some time to finish calculating, but
>>> the output is easier to handle and you can drill down to lower
>>> directories without losing the other data.
>
>> Also, if it's useful to you, you can separate out the gathering
>> and displaying tasks with ncdu. So you could, for example, run
>> "ionice -c3 ncdu -o ~/ncdu-output" late at night (or when the
>> system is relatively quiet) and then, in the morning run "ncdu
>> -f ~/ncdu-output" to examine the file that was produced by the
>> overnight run.
>
> I didn't spot that option ... because it isn't in the manpage, and
> is unknown to the binary :-) Is it in a newer version ... ah, I see
> it's in 1.9; wheezy has 1.8.
>
> If that works, it could indeed be a very useful tool, thanks.
Oh, whoops. I forgot - this machine is running lenny. Lenny doesn't
have libtinfo5 (which appears to replace ncurses), so I'll need to
muck around quite a bit to get ncdu to build :-(
Richard
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