Re: Memory upgrade

On 2024-10-15, Zé Loff <zeloff@zeloff.org> wrote:
> On Tue, Oct 15, 2024 at 10:14:42AM +0200, Christian Schulte wrote:
>> ulimit -d `ulimit -aH | grep data | awk '{print $2}'`
>> ulimit -n `ulimit -aH | grep nofiles | awk '{print $2}'`

ulimit -d `ulimit -dH` etc... but then there's no point setting a
separate hard limit in login.conf.

>> data(kbytes) 134217728
>
> That's 128 GB.
...
> I have no idea what stating "you can use 128GB of memory on this 8GB RAM
> + 4GB swap machine" does to the system's memory management, but I
> wouldn't be surprised if weird things happen.

IIRC some things do use ulimit -d as a hint to how much memory they can
allocate.

>> Still. this does not explain why the system is swapping, although half
>> of the physical RAM is not even wired.

just read /sys/uvm ;)

(btw if you're not on -current, you may want uvm_pdaemon.c r1.116 if you are
low on memory).

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