Re: Improve logging when using Huge Pages

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Nathan Bossart <nathandbossart(at)gmail(dot)com>
Cc: Justin Pryzby <pryzby(at)telsasoft(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, sfrost(at)snowman(dot)net, alvherre(at)alvh(dot)no-ip(dot)org, andres(at)anarazel(dot)de, jchampion(at)timescale(dot)com, john(dot)naylor(at)enterprisedb(dot)com, masao(dot)fujii(at)oss(dot)nttdata(dot)com, noriyoshi(dot)shinoda(at)hpe(dot)com, pgsql-hackers(at)postgresql(dot)org, rjuju123(at)gmail(dot)com, sawada(dot)mshk(at)gmail(dot)com, tgl(at)sss(dot)pgh(dot)pa(dot)us, thomas(dot)munro(at)gmail(dot)com
Subject: Re: Improve logging when using Huge Pages
Date: 2023-05-02 02:17:50
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On Thu, Apr 20, 2023 at 02:16:17PM -0700, Nathan Bossart wrote:
> AFAICT this would involve adding a bool to BackendParameters and using it
> in save_backend_variables() and restore_backend_variables(), which is an
> additional 3 lines of code. That doesn't sound too bad to me, but perhaps
> I am missing something.

Appending more information to BackendParameters would be OK, still
this would require the extra SQL function to access it, which is
something that pg_settings is able to equally offer access to if
using a GUC.

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