Re: IDE/ATAPI in 2.5

From: Sean Neakums (sneakums@zork.net)
Date: Sun Jul 14 2002 - 14:15:24 EST


commence Tomas Szepe quotation:
> > > A Pentium 1200 running Linux-2.5.25 (ext3) results in:
> > >
> > > # star -xp -time < rock.tar.bz2
> > > star: WARNING: Archive is bzip2 compressed, trying to use the -bz option.
> > > star: 10372 blocks + 1536 bytes (total of 106210816 bytes = 103721.50k).
> > > star: Total time 3190.483sec (32 kBytes/sec)
> > > 53:10.490r 12.299u 2970.099s 93% 0M 0+0k 0st 0+0io 4411pf+0w
> > >
> > > You see, during the 53:20, the machine is only 7% idle!
> >
> > A Pentium 1200, eh?
> > More like Pentium 120 or star just doesn't cut it.
>
> Now I'm actually pretty sure you meant 386DX/33!
>
> I don't know whom you're trying to fool, but even my P2/233
> can get the work done in under 5 minutes:
>
> kala@hubert:/tmp$ time tar xjf rock.tar.bz2
>
> real 4m50.598s
> user 0m36.700s
> sys 1m51.860s
>
> Linux 2.4.19-pre10-ac2, reiserfs 3.6.

Aha, but reiserfs's directories are indexed, are they not? Whereas
ext3's directories are flat and require a linear search for lookups
and modifications. This may be what Joerg's example highlights.

-- 
 /                          |
[|] Sean Neakums            |  Questions are a burden to others;
[|] <sneakums@zork.net>     |      answers a prison for oneself.
 \                          |
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