Em dom, 5 de mai de 2019 às 05:57, PG Bug reporting form
<noreply(at)postgresql(dot)org> escreveu:
>
> when modify synchronous_standby_names in postgres.conf, and no checkpoint
> happenes, will synchronous_standby_names take effect?
>
This is not a bug. This question is suitable for -hackers.
Short answer is: yes. When you modify synchronous_standby_names and
reload postgresql.conf, checkpointer get SIGHUP and it calls
UpdateSharedMemoryConfig() -- see CheckpointerMain() circa 'if
(got_SIGHUP)'.
--
Euler Taveira Timbira -
http://www.timbira.com.br/
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