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.kyot...@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