Re: PATCH: standby crashed when replay block which truncated in standby but failed to truncate in master node

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Thunder <thunder1(at)126(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: PATCH: standby crashed when replay block which truncated in standby but failed to truncate in master node
Date: 2020-01-18 03:48:05
Message-ID: 20200118034805.GD230692@paquier.xyz
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On Fri, Jan 17, 2020 at 07:36:51PM +0900, Fujii Masao wrote:
> On Fri, Jan 17, 2020 at 1:47 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>> Thanks. I have few tweaks to propose to the docs.
>>
>> + raise a PANIC-level error, aborting the recovery. Setting
>> Instead of "PANIC-level error", I would just use "PANIC error", and
>
> I have no strong opinion about this, but I used "PANIC-level error"
> because the description for data_sync_retry has already used it.

Okay. Fine with what you think is good.

>> instead of "aborting the recovery" just "crashing the server".
>
> PANIC implies server crash, so IMO "crashing the server" is
> a bit redundant, and "aborting the recovery" is better because
> "continue the recovery" is used later.

Okay. I see your point here.

> So, what about
>
> ---------------
> causes the system to ignore invalid page references in WAL records
> (but still report a warning), and continue the recovery.
> ---------------

And that sounds good to me. Switching the patch as ready for
committer.
--
Michael

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