From: William McEwan <mcewanw@ho...> - 2001-08-30 11:57:00
Ofer Wald wrote (on 08/07/2001) about the limits he had struck on trying to
run many umls on one machine (and submitted a script he used to start them
up). Ofer said he had around 20 running on a host machine with 256 MByte
RAM and 500 MByte swap. I have tried his script out at my work on a PIII
RH7.1 host machine which has 384 MByte RAM and 500 MByte swap. Using the
small debian root_fs I achieved 31 umls running simultaneously okay. More
than that seemed to give paging problems/errors.
I also tried the above setup but using the RH7.1 pristine root_fs and only
managed to get around 10 umls running simultaneously without problems.
In addition, on an ancient P75 system at home, I managed to get 10 umls
running simultaneously on my old 64MByte Ram, 64 MByte swap RH7.1 host
machine (albeit slowly). It appears that extra RAM improves things (in
terms of how many uml instances you can run) - but not proportionally.
Is there any limit caused by the maximum number of Linux virtual consoles
that can exist??? I've read (man console) that Linux can have a maximum of
around 63 (or 64?) virtual consoles.
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