| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | Dimitrios Apostolou <jimis(at)gmx(dot)net>, Tomas Vondra <tomas(at)vondra(dot)me>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Andres Freund <andres(at)anarazel(dot)de>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>, John Naylor <john(dot)naylor(at)enterprisedb(dot)com> |
| Subject: | Re: [PING] fallocate() causes btrfs to never compress postgresql files |
| Date: | 2025-06-02 13:14:01 |
| Message-ID: | aD2jmZJkqdwZYB5t@momjian.us |
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| Lists: | pgsql-hackers |
On Sun, Jun 1, 2025 at 02:00:17AM +1200, Thomas Munro wrote:
> I suppose something like the 0001 part could be back-patched if this
> is considered a serious enough problem without other workarounds, so I
> did this in two steps. I wonder if there are good reasons to want to
> change the number on other file systems. I suppose it at least allows
> experimentation.
Consider that postgresql.conf is installed by initdb, so backpatching
this is not going to add the setting to postgresql.conf unless we do
some magic. That will be confusing to users.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
Do not let urgent matters crowd out time for investment in the future.
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