| From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Doc tweak for huge_pages? |
| Date: | 2017-12-01 04:04:48 |
| Message-ID: | 20171201040448.GH18413@telsasoft.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Fri, Dec 01, 2017 at 04:01:24PM +1300, Thomas Munro wrote:
> Hi hackers,
>
> The manual implies that only Linux can use huge pages. That is not
> true: FreeBSD, Illumos and probably others support larger page sizes
> using transparent page coalescing algorithms. On my FreeBSD box
> procstat -v often shows PostgreSQL shared buffers in "S"-flagged
> memory. I think we should adjust the manual to make clear that it's
> the *explicit request for huge pages* that is supported only on Linux
> (and hopefully soon Windows). Am I being too pedantic?
I suggest to remove "other" and include Linux in the enumeration, since it also
supports "transparent" hugepages.
Justin
| Attachment | Content-Type | Size |
|---|---|---|
| huge-pages-doc-tweak.patch2 | text/plain | 1.4 KB |
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