On Sun, Jan 12, 2003 at 02:15:29PM +0200, Tzafrir Cohen wrote:
> On Sun, 12 Jan 2003, Oded Arbel wrote:
>
> > On Sunday 12 January 2003 10:57, Shoshannah Forbes wrote:
> >
> > > Is there any utility out there that can help me figure out what is
> > > using all my HD space and what can be removed safely, without making a
> > > mess?
> >
> > An automated one ? not that I can recall.
> > but you can always use `du -Hs` to look at each directory's disk usage and see
> > where you waste all the space and then decide if you want to delete it.
>
> My 2c:
>
> du -scH /path/to/check/*
>
> ('H' is optional. It will somnetimes make the output more readable, but
> sometimes 'k' or nothing at all will give you a better idea, because "32M"
> and "323" don't look very different)
>
> or:
> du -scH /ath/to/check/* |sort -n
>
> Then you find the subdirs with most content, and see which of their
> subdirs takes everything, with a command similar to the above.
I will add my own 2c:
I usually do
du /path/to/check | awk '$1>10000'
or even
du /path/to/check | awk '$1>10000' | sort -n
This will output you all the directories (including deep ones) with more
than 10MB (optionally sorted).
I usually don't sort, because on a large tree I don't have patience to
wait, and sort needs the entire input before it sorts (as opposed to awk).
>
> A note about performance: Typically the first time you run 'du' (with
> whatever switches) on a certain subtree it will read the file siszes of
> all the files from the disk, and thus will take relatively long. But on
> later runs you can generally expect for the relevant data (the inodes, in
> this case) to remain in the cache, and thus any further runs on the same
> tree or a subtree are expected to take a much shorter time.
This won't help much over NFS. On NFS, I usually do
du /path/to/check > /tmp/somefile
and then do on it awk, sort -n, etc.
>
> --
> Tzafrir Cohen
> mailto:[EMAIL PROTECTED]
> http://www.technion.ac.il/~tzafrir
>
>
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Didi
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