| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(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: | 2025-05-31 15:42:01 |
| Message-ID: | 2818249.1748706121@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> It's slightly tricky to get smgr to behave differently because of the
> contents of a system catalogue!
The mere thought makes me blanch. I'm okay with the GUC part,
but I do not think we should put in 0002 --- the odds of
causing serious problems greatly outweigh the value, IMO.
Fundamental layering violations tend to bite you on tender
parts of your anatomy.
regards, tom lane
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