Messages in this thread |  | | | Date | 19 Mar 2000 19:16:16 +0100 | | From | "Rask Ingemann Lambertsen" <> | | Subject | Re: Overcommitable memory?? |
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Den 16-Mar-00 20:18:09 skrev David Whysong følgende 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,
/¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯T¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯\ | Rask Ingemann Lambertsen | E-mail: mailto:rask@kampsax.dtu.dk | | Please do NOT Cc: to me or the | WWW: http://www.gbar.dtu.dk/~c948374/ | | mailing list. I am on the list.| "ThrustMe" on XPilot, ARCnet and IRC | | Who is General Failure, and why is he reading my hard drive? |
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