Re: Doc tweak for huge_pages?
От | Thomas Munro |
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Тема | Re: Doc tweak for huge_pages? |
Дата | |
Msg-id | CAEepm=17wU7wthKE4y+v-e1mDxtAuwzvsr32Xd_fHZWAVE9kQg@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Doc tweak for huge_pages? (Thomas Munro <thomas.munro@enterprisedb.com>) |
Ответы |
Re: Doc tweak for huge_pages?
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Список | pgsql-hackers |
On Fri, Jan 12, 2018 at 1:12 PM, Thomas Munro <thomas.munro@enterprisedb.com> wrote: > On Tue, Jan 9, 2018 at 6:24 AM, Catalin Iacob <iacobcatalin@gmail.com> wrote: >> So I tried to redo the second paragraph and ended up with the >> attached. Rationale for the changes: >> * changed "this feature" to "explicitly requesting huge pages" to >> contrast with the automatic one described below >> * made the wording of Linux THP more negative (but still with some >> wiggle room for future kernel versions which might improve THP), >> contrasting with the positive explicit request from this GUC >> * integrated your mention of other OSes with automatic huge pages >> * moved the new text to the last paragraph to lower its importance >> >> What do you think? > > I don't know enough about this to make such a strong recommendation > myself, which is why I was only trying to report that bad performance > had been observed on some version, not that you shouldn't do it. Any > other views on this stronger statement? Now that the Windows huge pages patch has landed, here is a rebase. I took your alternative and tweaked it a tiny bit more. Thoughts? -- Thomas Munro http://www.enterprisedb.com
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