| From: | John Naylor <john(dot)naylor(at)enterprisedb(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Subject: | Re: remap the .text segment into huge pages at run time |
| Date: | 2023-06-21 02:35:36 |
| Message-ID: | CAFBsxsHFBBpRu8g4gDoXFYiRvmFZCAY+jGL=uzp3VwuKF4rqvQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jun 21, 2023 at 12:46 AM Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> Hi,
>
> On 2023-06-20 10:29:41 -0700, Andres Freund wrote:
> > On 2023-06-20 10:23:14 +0700, John Naylor wrote:
> > > Here's a start at that, trying with postmaster only. Unfortunately, I
get
> > > "MADV_COLLAPSE failed: Invalid argument".
> >
> > I also see that. But depending on the steps, I also see
> > MADV_COLLAPSE failed: Resource temporarily unavailable
> >
> > I suspect there's some kernel issue. I'll try to ping somebody.
>
> Which kernel version are you using? It looks like the issue I am hitting
might
> be specific to the in-development 6.4 kernel.
(Fedora 38) uname -r shows
6.3.7-200.fc38.x86_64
--
John Naylor
EDB: http://www.enterprisedb.com
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