Re: [COMMITTERS] pgsql: Introduce dynamic shared memory areas.

Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Dec 5, 2016 at 1:08 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Also, given that the idea of
>> DSA seems to be to support a number of different use-cases, I'm not
>> sure that it's useful to have a knob that limits the total consumption
>> rather than individual areas. IOW: who exactly is going to call
>> dsa_set_size_limit, and on what grounds would they compute the limit?

> The code that creates the DSA is going to call it.

Ah, I misunderstood: from the name of the field and the way you'd
described it, I thought it was a limit on the total space used across
all DSAs. A per-DSA limit does make sense.

regards, tom lane