Re: [gentoo-amd64] emerge make my comp slow :(

["J'raxis 270145" <gentoo@jraxis.org>]

At 2006-08-04T21:37:25+0000, <reinhard.kotucha@web.de> wrote:

> Date: Fri, 4 Aug 2006 23:37:25 +0200
> From: Reinhard Kotucha <reinhard.kotucha@web.de>
> Reply-to: gentoo-amd64@lists.gentoo.org
> Subject: Re: [gentoo-amd64]emerge make my comp slow :(
> To: gentoo-amd64@lists.gentoo.org
> Message-ID: <17619.48661.209563.272742@zarniwoop.ms25.local>
> X-Mailer: VM 7.18 under Emacs 21.4.1
> 
> >>>>> "Mihir" == Mihir Sevak <mihir.sevak@gmail.com> writes:
> 
>   > That is a normal behaviour. Because emerge script downloads and
>   > compile the software for you and that takes lot of cpu power.  so
>   > don't worry..
> 
> Downloading does not require much CPU power.  It is definitely not
> normal that compiling takes so much CPU power that the mouse doesn't
> react.
> 
> emerge runs a lot of sub-processes like wget, gcc...  
> 
> It would be interesting to know which program takes so much CPU power.
> The easiest way to find out whether a program takes extraordinary much
> CPU power or takes an exraordinary amount of memory is to run "top" in
> another window.
> 
> If a process takes 98% of CPU time for more than a few seconds then
> there is something wrong.

Nothing unusual about a large untar process running for minutes at 100%
(e.g., Firefox, OpenOffice), or the cache-rebuild step after a --sync.

> I'm using Linux since 1994 and we started with a 40MHz PC and 8MB
> RAM.  It never happened that the mouse doesn't react except once:
> 
> A Linux system becomes slow if it runs out of memory.  I had 128MB RAM
> at the time a friend had to solve a numerical problem.  In addition to
> the 256MB swap partition he had to install a 512MB swap file to be
> able to solve the problem.  When the system is swapping you regret
> every keystroke and in this case you can expect that the mouse doesn't
> react immediately.
> 
> One of Linux's greatest features is that it behaves very well under
> heavy load.  I don't think that what Jai described is normal behavior.
> 
> 
> 
> This is my first mail to this list.  I'm impressed to see how good
> Gentoo works and how good it is maintained.  I'm subscribed to the
> list for a few weeks and I'm amazed about the good support provided
> here.  Let me take this opportunity to say thank you to everyone who
> is involved.
> 
> BTW., before I bought my new computer end of last year I planned to
> switch from Slackware to Debian.  Because the most important thing for
> me is TeX, I asked Google for Acroread on amd64 and it told me that it
> works under Gentoo, hence I tried it.  I have problems with menu based
> configuration programs because they do not provide a command history,
> menu items do not tell me exactly what happens if I select them and it
> would help a lot to know in advance what the next step will be.
> 
> The Gentoo Handbook solves all these problems brilliantly.  I cannot
> imagine a better solution.  I have the impression that Gentoo had been
> designed exactly for my needs.
> 
> Regards, and many thanks,
> 
>   Reinhard
> 
> -- 
> ----------------------------------------------------------------------------
> Reinhard Kotucha			              Phone: +49-511-4592165
> Marschnerstr. 25
> D-30167 Hannover	                      mailto:reinhard.kotucha@web.de
> ----------------------------------------------------------------------------
> Microsoft isn't the answer. Microsoft is the question, and the answer is NO.
> ----------------------------------------------------------------------------
> 
> 
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> gentoo-amd64@gentoo.org mailing list
> 

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J'raxis 270145
http://www.jraxis.com/
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