MPS: commit limit

[Gerd Möllmann]

Gerd Möllmann <gerd.moellmann@gmail.com> writes:

> Helmut Eller <eller.helmut@gmail.com> writes:
>
>> On Sun, Jul 07 2024, Gerd Möllmann wrote:
>>
>>> Helmut, I seem to remember that you had 3 points on your list that
>>> needed investigation, pi, ert-test, and something else I can't find now
>>> and don't remember.
>>>
>>> Could you please remind me, or am I misremembering?
>>
>> The third was some form of heap size limit.  Maybe
>> mps_arena_commit_limit_set is what I want.  I'd have to try it.
>
> Ah right, thanks! The strange behaviour when set via MPS_KEY_... etc.

Sometimes it works just fine, sometimes not. For example, with 1 << 29,
I get a nice memory full when dumping, always. With 1 << 30, only the
expensice ert-test triggers something, namely the assertion in MPS.

Hm.