| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Stephen Frost <sfrost(at)snowman(dot)net>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, David Steele <david(at)pgmasters(dot)net>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Jakub Wartak <Jakub(dot)Wartak(at)tomtom(dot)com>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WIP: WAL prefetch (another approach) |
| Date: | 2021-04-28 22:46:14 |
| Message-ID: | CA+hUKGJ03Q-TmE8-JzAm04_1maYus6_kX7XB--JBh1K63agSbQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Apr 29, 2021 at 4:45 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > Tom, any chance you could check if your machine repros the issue before
> > these commits?
>
> Wilco, but it'll likely take a little while to get results ...
FWIW I also chewed through many megawatts trying to reproduce this on
a PowerPC system in 64 bit big endian mode, with an emulator. No
cigar. However, it's so slow that I didn't make it to 10 runs...
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