Re: tar slow (2.2.0-pre4)

Allen Goldstein (gold@u.washington.edu)
Wed, 6 Jan 1999 00:23:14 -0800 (PST)


On Tue, 5 Jan 1999, William R. Dirks wrote:

My RH5.0 box was similarly constipated with tar. A simple solution was given
to me on this list and I'll pass it on. In nsswitch.conf remove all references
except to dns (hopefully this is possible for your setup). I'm not kidding.
This makes a tremendous laxative.

> AMD K6, 32MB, IDE hard drive, RH5.0 w/new kernel
>
> I don't know what could be causing this, but 'tar' is really slow on
> recent kernels. When unpacking something, it will unpack four or five files,
> pause about five seconds, unpack a few more, pause again, and so on. It
> literally took three hours to unpack the whole 2.2.0 kernel source.
> (Normally it's something like a minute or so.)
>
> The data points I have:
> 2.1.126: works fine (file names scroll by lickety-split)
> 2.1.129: exhibits the problem (noticed it when unpacking 2.2.0)
> 2.2.0-pre1 to pre4: all have the problem.
>
> (I actually reboot to 2.1.126 when I have to untar something!) I haven't
> noticed any other slowness. Kernels I've tried before 2.1.126 (back to
> 2.1.106) and 2.0.3x don't exhibit the symptom.
>
> CC replies to my email since I am not subscribed to this list.
>
> Bill.
>
>
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