Re: BUG #15791: WalSndCtl->sync_standbys_defined modified too late

Em dom, 5 de mai de 2019 às 05:57, PG Bug reporting form
<noreply@postgresql.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)'.


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   Euler Taveira                                   Timbira -
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