Mailinglist Archive: opensuse-autoinstall (46 mails)

[Mike Marion <mmarion@xxxxxxxxxxxx>]

On Mon, Nov 19, 2007 at 10:05:24PM +0100, Uwe Gansert wrote:

> There was a time when swap partitions were limited to a size of 2GB.
> Nowadays this limit is gone, but using more than 2G of swap makes
> only sense in certain rare cases, therefore the maximal Swap size
> configured by YaST2 ist still limited to 2G. Of course if someone
> knows he needs more than that for his special system requirements,
> he can create a larger swap partition and YaST2 can reues this
> larger swap partition on succeeding installation attempts on the
> same disk.

Fairly OT, but I was curious if many others are hearing similar things
from vendors.  I support EDA chip designers, and the ISVs we work with
not only think that sticking to the 2x physical RAM is still a good
thing in all cases.. some say that 4x is "even better."  Yes, even when
I ask them if they feel this way with large, 256Gig systems, they
answer, "yes" without hesitation.    Whee..

I try to explain that if they actually need that much swap space, that
the job will likely take so long to finish running (and users freak out
when a batch job pends for 2 minutes).. that it would basically be
useless.  But they don't care, they still push it.

I have seen single processes (admitted bug in their sw in this case) run
a 128Gig machine out of RAM to the point that the kernel seized up,
inside of 5 minutes.

-- 
Mike Marion-Unix SysAdmin/Staff IT Engineer-http://www.qualcomm.com
"DOS Computers manufactured by companies such as IBM, Compaq, Tandy, and 
millions of others are by far the most popular, with about 70 million 
machines in use worldwide. Macintosh fans, on the other hand, may note 
that cockroaches are far more numerous than humans, and that numbers 
alone do not denote a higher life form."
           -- New York Times article
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