On 11 Aug., 13:09, leif <not.rea...@online.de> wrote:
> On 11 Aug., 12:50, John Cremona <john.crem...@gmail.com> wrote:
>
> > On Thu, Aug 11, 2011 at 11:41 AM, John Cremona <john.crem...@gmail.com>
> > wrote:
> > > After building Sage the amount of filespace used is (as we all know)
> > > rather large. I was just checking a 4.7 install, which is not used
> > > for any development pusposes, and is on a machine which I use but do
> > > not own, and where I was just told that the filespace was getting
> > > short, and found that the SAGE_ROOT was taking up 15GB of which 5.5GB
> > > is in devel and 8.4GB in local.
>
> > PS: A sage-4.6.2 install was only 3.8G. Now I know that 4.7 was alot
> > better than 4.6.2, but FOUR times the size?
>
> On the same machine (and filesystem)?
>
> The size of devel/sage (which is just a symbolic link) indicates that
> the block size of the filesystem where the "huge" Sage installation
> lives is quite large, such that even very small files take up a lot of
> disk space.
>
> There are also differences between different architectures (i.e. 32-
> bit vs. 64-bit, and CISC vs. RISC, e.g. SPARC), but I don't think that
> matters here.
>
> -leif
>
> P.S.:
>
> You can safely delete devel/old/ etc. and $SAGE_ROOT/spkg/build/ in
> case it exists.
P.P.S.:
Do a
tar cf - $SAGE_ROOT | wc -c
and compare that (the number of *bytes* a tarball would take) to what
you get by
du -sh $SAGE_ROOT # or du -sch $SAGE_ROOT/*
If the former is equally large, there are certainly things that could
be deleted.
-leif
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