[Bug 204426] Processes terminating cannot access memory

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426

--- Comment #59 from Robert Blayzor <rblayzor at inoc.net> ---
Thinking about this a little, going out on a limb. The only thing that differs
on these servers compared to other diskless boot servers we have. (that use the
same read only NFS root) is they have a larger memory disks for "/var" when
created from /etc/rc.initdiskless.

/dev/md0                       8.8M    3.8M    4.3M    47%    /etc
/dev/md1                       457M    516K    420M     0%    /var


Because these are mail servers, /var may be a bit busier than on say DNS and
web servers. (as /var/tmp is there, etc, temporary file writes from files being
scanned by viruses). I've never seen any "out of memory" errors or that mount
ever close to being anywhere near full; but I'm sure there are a lot of
read/write going on.


I know it's a stretch but it's the only thing I can think of that differs from
the other diskless servers that are setup the exact same way.

This appears to be happening on only our mail servers, which consequently
happen to be our busiest.

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