Hi,
On 2018-05-17 17:19:00 +0900, Kyotaro HORIGUCHI wrote:
> Hello, as in pgsql-bug ML.
>
> https://www.postgresql.org/message-id/20180517.170021.24356216.horiguchi.kyotaro@lab.ntt.co.jp
>
> Master can go into infinite loop on shutdown. But it is caused by
> a broken database like storage rolled-back one. (The steps to
> replay this is shown in the above mail.)
>
> I think this can be avoided by rejecting a standby if it reports
> that write LSN is smaller than flush LSN after catching up.
>
> Is it worth fixing?
I'm very doubtful. If you do bad stuff to a standby, bad things can
happen...
Greetings,
Andres Freund