Re: HS/SR and smart shutdown
От | Mark Kirkwood |
---|---|
Тема | Re: HS/SR and smart shutdown |
Дата | |
Msg-id | 4B57B4E4.2090009@catalyst.net.nz обсуждение исходный текст |
Ответ на | Re: HS/SR and smart shutdown (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
Tom Lane wrote: > Robert Haas <robertmhaas@gmail.com> writes: > >> On Wed, Jan 20, 2010 at 8:44 PM, Josh Berkus <josh@agliodbs.com> wrote: >> >>> Well, as long as streaming rep is running, you can't do a smart shutdown >>> ... smart shutdown seems to treat the walreciever as a client >>> connection. At the very least, this should be in the documentation. >>> > > >> How hard is it to fix? >> > > I think the first question is do we *want* to fix it, or is it > appropriate behavior? > > If the master shuts down, will the slaves try to fail over to become > masters? When the master restarts, will the slaves automatically > reconnect? If these questions have the wrong answers, shutting down the > master isn't something to be done lightly, and automatically > disconnecting slaves would be a real bad idea. > > Right - surely people who have been using pg_standby etc have discovered this behaviour, so documenting it is fine I would think. regards Mark
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