| From: | Greg Stark <stark(at)mit(dot)edu> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Stephen Frost <sfrost(at)snowman(dot)net>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, 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)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WIP: WAL prefetch (another approach) |
| Date: | 2021-12-17 02:36:37 |
| Message-ID: | CAM-w4HNjC=jAbo6EM_itppX7fWkmPWihGz5iM=mim32P-fSuNA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, 26 Nov 2021 at 21:47, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Yeah ... on the one hand, that machine has shown signs of
> hard-to-reproduce flakiness, so it's easy to write off the failures
> I saw as hardware issues. On the other hand, the flakiness I've
> seen has otherwise manifested as kernel crashes, which is nothing
> like the consistent test failures I was seeing with the patch.
Hm. I asked around and found a machine I can use that can run PPC
binaries, but it's actually, well, confusing. I think this is an x86
machine running Leopard which uses JIT to transparently run PPC
binaries. I'm not sure this is really a good test.
But if you're interested and can explain the tests to run I can try to
get the tests running on this machine:
IBUILD:~ gsstark$ uname -a
Darwin IBUILD.MIT.EDU 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15
16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386
IBUILD:~ gsstark$ sw_vers
ProductName: Mac OS X
ProductVersion: 10.5.8
BuildVersion: 9L31a
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