| From: | Greg Stark <stark(at)mit(dot)edu> |
|---|---|
| To: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
| Cc: | Craig Ringer <craig(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Anthony Iliopoulos <ailiop(at)altatus(dot)com>, Geoff Winkless <pgsqladmin(at)geoff(dot)dj>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Catalin Iacob <iacobcatalin(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PostgreSQL's handling of fsync() errors is unsafe and risks data loss at least on XFS |
| Date: | 2018-04-11 12:23:49 |
| Message-ID: | CAM-w4HMdr-GnUYSZisEYqwSdf38HoifTRsCgoPyyeigzD0pDKQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 10 April 2018 at 19:58, Joshua D. Drake <jd(at)commandprompt(dot)com> wrote:
> You can't unmount the file system --- that requires writing out all of the pages
> such that the dirty bit is turned off.
I always wondered why Linux didn't implement umount -f. It's been in
BSD since forever and it's a major annoyance that it's missing in
Linux. Even without leaking memory it still leaks other resources,
causes confusion and awkward workarounds in UI and automation
software.
--
greg
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