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Re: Improve logging when using Huge Pages

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: pryzby@telsasoft.com, sfrost@snowman.net, alvherre@alvh.no-ip.org, andres@anarazel.de, nathandbossart@gmail.com, jchampion@timescale.com, john.naylor@enterprisedb.com, masao.fujii@oss.nttdata.com, noriyoshi.shinoda@hpe.com, pgsql-hackers@postgresql.org, rjuju123@gmail.com, sawada.mshk@gmail.com, tgl@sss.pgh.pa.us, thomas.munro@gmail.com
Date: 2023-04-11T06:17:46Z
Lists: pgsql-hackers 
On Thu, Mar 23, 2023 at 05:25:46PM +0900, Kyotaro Horiguchi wrote:
> Wouldn't storing the value in the shared memory itself work? Though,
> that space does become almost dead for the server's lifetime...

Sure, it would work.  However, we'd still need an interface for the
extra function.  At this point, a GUC with an unknown state is kind of
OK for me.  Anyway, where would you stick this state?
--
Michael

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Add GUC parameter "huge_pages_status"

  2. Add check on initial and boot values when loading GUCs

  3. Clean up some inconsistencies with GUC declarations

  4. Clean up some GUC declarations and comments