Re: 2.1.65 slowdown?

Richard Gooch (rgooch@atnf.CSIRO.AU)
Thu, 20 Nov 1997 12:10:13 +1100


Richard Gooch writes:
> Miquel van Smoorenburg writes:
> > In article <Pine.LNX.3.95.971119095638.28363A-100000@chaos.analogic.com>,
> > Richard B. Johnson <root@chaos.analogic.com> wrote:
> > >On Thu, 20 Nov 1997, Richard Gooch wrote:
> > >
> > >> Hi, all. I have a perl script (latex2html, actually) which reads
> > >> lots of small input files and then writes to some output file(s). I
> > >> notice that with 2.1.65 my disc head is moving quite a bit, which
> > >> didn't happen with 2.1.62. This happens even if all the input files
> > >> are in the cache. With 2.1.62 this processing was almost silent, now
> > >> with 2.1.65 there is heaps of head movement (and the operation seems
> > >> slower).
> > >[SNIPPED]
> > >
> > >Get the source code for init. Search for "sync()". Comment it out
> > >and re-compile.
> >
> > That might help, yes. Note that sysvinit-2.72 (the latest) already does away
> > with the sync() in the main loop.
>
> I searched sunsite and tsx-11 and didn't find 2.72. My LSM for 2.64
> only mentions sunsite and tsx-11. Where else should I look?

Ah, forget that. I had an old ls-lR file. I just found it in
/Incoming. However, having compiled and installed 2.72 I'm still
getting lots of disc head movement which I previously didn't. So
something is still amiss.

Regards,

Richard....