> I found the following by accident playing with PVM. If you start the
> 'gexample' from the examples directory with dimension=10000 and no of
> tasks=32 on one machine, it becomes almost immediately completely un-
> usable and begins with heavy swapping. Considering how much memory
> would be necessary for this computation before starting it would have
> avoided the trouble.
[..snip..]
> Actually random processes are killed: I've seen klogd, syslogd, cron,
> gpm
> and inetd disappear. In some cases the machine was unaccessible locally
> as
> well as remotely, but the kernel seemed to be still running -- ping
> showed
> the machine still up.
The ongoing thread "Overcommitable memory...", and many previous
threads have been a raging discussion over this very issue.
There is no easy solution to it.
In the meantime, get _lots_ of swap and if you let users other than
yourself onto your box, make use of rlimits.
Michael Bacarella
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This archive was generated by hypermail 2b29 : Thu Mar 23 2000 - 21:00:36 EST