Den 16-Mar-00 20:18:09 skrev David Whysong fĝlgende om "Re: Overcommitable memory??":
> On 15 Mar 2000, Rask Ingemann Lambertsen wrote:
>>Den 14-Mar-00 18:32:49 Rik van Riel wrote:
>>> On 13 Mar 2000, Rask Ingemann Lambertsen wrote:
>>> Not really. Without overcommit you may still have random program
>>> crashes and lost work...
>>
>> Yes, really. Maybe I should have said "additional lost work" instead
>>of just "lost work". Without overcommit, program crashes will only
>>happen due software bugs or hardware problems.
^^^^^^^^^^^^^^^^^
> Not true. With no overcommit, you can still crash programs due to OOM
> situations.
Sure, not all programs are bug free. But that's a whole lot different
from having the kernel kill processes just because the kernel fails to
perform basic bookkeeping.
>>Lost work will only happen due to user errors, software bugs or hardware
>>problems.
> Not true.
See above.
>>If you overcommit memory, you can lose the file you were editing in
>>emacs simply because someone sent you an email and the MTA needed a bit
>>of memory to deliver it to you. Some people, myself included, just don't
>>find that acceptable at all.
> Memory overcommit is here to stay. As I recall, Linux already used
> overcommit and COW when I started using it at version 0.99pl13.
So what is /proc/sys/vm/overcommit_memory for, if not to make
overcommitment of memory an _option_?
> Get used to it, or find another OS...
You're such a good Linux advocate...
Regards,
/ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻTŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ\
| Rask Ingemann Lambertsen | E-mail: mailto:rask@kampsax.dtu.dk |
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This archive was generated by hypermail 2b29 : Thu Mar 23 2000 - 21:00:28 EST