On Sun, 12 Mar 2000, Horst von Brand wrote:
> How does the VM notice that it needs to reserve space or dole it out, when
> there are several root processes that need memory (named, the ftpd inetd is
> spawning, ...)?
we trust root processes not to leak memory.. else we wouldn't run them
as root would we?
> They'll eat up your root allowance,
rather than an allowance, we should have a watermark. as soon as
physical free < watermark, we deny memory requests from processes euid >
0. (we could perhaps just put euid > 0 processes that ask for RAM to
sleep, so that we can at least preserve their state till memory is
freed)
simple.
> the same as before. Besides, this isn't a solution anyway, you don't want
> to sit beside your server just in case it runs out of memory.
>
well there is no perfect solution to OOM. But allowing root to telnet in
is IMO preferable to near-random killing.
-paul
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This archive was generated by hypermail 2b29 : Wed Mar 15 2000 - 21:00:24 EST