Re: BUG #17928: Standby fails to decode WAL on termination of primary

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От Thomas Munro
Тема Re: BUG #17928: Standby fails to decode WAL on termination of primary
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Msg-id CA+hUKGJOXdpWO_6wK0q3jsEwk5cJ6fAQj1T1mE9cFj6R+tPtrw@mail.gmail.com
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Ответ на Re: BUG #17928: Standby fails to decode WAL on termination of primary  (Michael Paquier <michael@paquier.xyz>)
Ответы Re: BUG #17928: Standby fails to decode WAL on termination of primary  (Michael Paquier <michael@paquier.xyz>)
Re: BUG #17928: Standby fails to decode WAL on termination of primary  (Alexander Lakhin <exclusion@gmail.com>)
Список pgsql-bugs
On Sat, Sep 16, 2023 at 12:03 PM Michael Paquier <michael@paquier.xyz> wrote:
> > [1] https://github.com/macdice/postgres/commits/fix-12
>
> Hmm.  What was the test that failed?

$ make -s -C src/test/recovery/ check PROVE_TESTS=t/039*
t/039_end_of_wal.pl .. 4/?
#   Failed test 'xlp_magic zero'
#   at t/039_end_of_wal.pl line 312.

not ok 5 - xlp_magic zero

Where the log should say "invalid magic number 0000" I see:

2023-09-16 12:13:07.331 NZST [156812] LOG:  record with incorrect
prev-link 0/16B60C0 at 0/16B6120

It has to do with initial WAL position after initdb, because I get
this only on Debian, on REL_12_STABLE (with the commit listed above on
my public fix-12 branch) and only with --with-icu, but not without it,
and I can't repro it on my other local OSes.



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