| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Fujii Masao <fujii(at)postgresql(dot)org>, pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: pgsql: Ensure that a standby is able to follow a primary on a newer tim |
| Date: | 2021-01-14 05:23:01 |
| Message-ID: | 1370181.1610601781@sss.pgh.pa.us |
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Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> writes:
> On 2021/01/14 13:59, Michael Paquier wrote:
>> florican is telling that this test has some stability problems:
>> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=florican&dt=2021-01-14%2003%3A55%3A45
> My guess is that the requested WAL file was removed unfortunately by
> checkpoint because no replication slot is used and wal_keep_size is not set.
> So easy fix is to set wal_keep_size to 512MB or other in that test. Thought?
florican did pass this test on the v13 branch, so I agree it's probably
a timing issue not any deeper bug. Your theory seems plausible.
regards, tom lane
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