| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> |
| Cc: | deniel1495(at)mail(dot)ru, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, tejeswarm(at)hotmail(dot)com, Andres Freund <andres(at)anarazel(dot)de>, hlinnaka <hlinnaka(at)iki(dot)fi>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Daniel Wood <hexexpert(at)comcast(dot)net> |
| Subject: | Re: Corruption during WAL replay |
| Date: | 2022-03-15 16:44:49 |
| Message-ID: | CA+TgmoYhYrMajsDFMN4r0c4d93MdxxsJdgDVe01FSHm0M3NFyg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jan 26, 2022 at 3:25 AM Kyotaro Horiguchi
<horikyota(dot)ntt(at)gmail(dot)com> wrote:
> The attached is the fixed version and it surely works with the repro.
Hi,
I spent the morning working on this patch and came up with the
attached version. I wrote substantial comments in RelationTruncate(),
where I tried to make it more clear exactly what the bug is here, and
also in storage/proc.h, where I tried to clarify both the use of the
DELAY_CHKPT_* flags in general terms. If nobody is too sad about this
version, I plan to commit it.
I think it should be back-patched, too, but that looks like a bit of a
pain. I think every back-branch will require different adjustments.
--
Robert Haas
EDB: http://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| v5-0001-Fix-possible-recovery-trouble-if-TRUNCATE-overlap.patch | application/octet-stream | 16.9 KB |
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