Re: Counters in df, du

From: Alexey Vlasov
Date: Mon Jul 13 2009 - 07:32:08 EST


On Mon, Jul 13, 2009 at 11:09:29AM +0200, Andi Kleen wrote:
> Alexey Vlasov <renton@xxxxxxxxxxx> writes:
> >
> > I know that df, du can show different values if some files were deleted,
> > but the processes which opened these files are still acting.
>
> You can check for that by doing ls -l /proc/*/fd | grep deleted
>
> It won't tell you the file size though.

There comes a big list, like this:

lowx------ 1 root root 64 Jul 13 14:58 1763 -> /tmp/ZCUDXqiMTp (deleted)
lrwx------ 1 root root 64 Jul 13 14:58 1763 -> /tmp/ZCUDXqiMTp (deleted)
lrwx------ 1 root root 64 Jul 13 14:58 1763 -> /tmp/ZCUDXqiMTp (deleted)
[cut]
lrwx------ 1 root root 64 Jul 13 15:29 317 -> /tmp/ZCUDXiOHCk (deleted)
lrwx------ 1 root root 64 Jul 13 15:29 317 -> /tmp/ZCUDXiOHCk (deleted)
lrwx------ 1 root root 64 Jul 13 15:29 317 -> /tmp/ZCUDXiOHCk (deleted)

But you can see the file date, these are new files and by next search
you won't see them any more.

The most interesting is that the /tmp size constantly grows.

--
BRGDS. Alexey Vlasov.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/