| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | John Naylor <john(dot)naylor(at)enterprisedb(dot)com> |
| Cc: | Daniel Gustafsson <daniel(at)yesql(dot)se>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Ian Lawrence Barwick <barwick(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Anastasia Lubennikova <lubennikovaav(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Peter Geoghegan <pg(at)bowt(dot)ie> |
| Subject: | Re: Testing autovacuum wraparound (including failsafe) |
| Date: | 2023-04-28 04:42:23 |
| Message-ID: | 1271927.1682656943@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
John Naylor <john(dot)naylor(at)enterprisedb(dot)com> writes:
> On Thu, Apr 27, 2023 at 9:12 PM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
>> Is there a risk that the background psql will time out on slow systems during
>> the consumption of 2B xid's? Since you mainly want to hold it open for the
>> duration of testing you might want to bump it to avoid false negatives on
>> slow test systems.
> If they're that slow, I'd worry more about generating 20GB of xact status
> data. That's why the tests are disabled by default.
There is exactly zero chance that anyone will accept the introduction
of such an expensive test into either check-world or the buildfarm
sequence.
regards, tom lane
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