From: | "Bossart, Nathan" <bossartn(at)amazon(dot)com> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, "Andres Freund" <andres(at)anarazel(dot)de>, Magnus Hagander <magnus(at)hagander(dot)net>, "Mark Dilger" <mark(dot)dilger(at)enterprisedb(dot)com>, Don Seiler <don(at)seiler(dot)us>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Estimating HugePages Requirements? |
Date: | 2021-09-10 23:43:40 |
Message-ID: | 7E4B78B7-4B8C-41D1-862D-B0BDC3432F83@amazon.com |
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On 9/10/21, 1:02 PM, "Robert Haas" <robertmhaas(at)gmail(dot)com> wrote:
> On Thu, Sep 9, 2021 at 5:53 PM Bossart, Nathan <bossartn(at)amazon(dot)com> wrote:
>> I think it might be clearer to
>> somehow indicate that the value is essentially the size of the main
>> shared memory area in terms of the huge page size, but I'm not sure
>> how to do that concisely. Perhaps it is enough to just make sure the
>> description of "huge_pages_required" is detailed enough.
>
> shared_memory_size_in_huge_pages? It's kinda long, but a long name
> that you can understand without reading the docs is better than a
> short one where you can't.
I think that's an improvement. The only other idea I have at the
moment is num_huge_pages_required_for_shared_memory.
Nathan
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