Re: alpha3 release schedule?
От | Greg Stark |
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Тема | Re: alpha3 release schedule? |
Дата | |
Msg-id | 407d949e0912220738je1e0141m87d7b688dd4ba27f@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: alpha3 release schedule? (Florian Pflug <fgp.phlo.org@gmail.com>) |
Ответы |
Re: alpha3 release schedule?
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Список | pgsql-hackers |
On Tue, Dec 22, 2009 at 3:32 PM, Florian Pflug <fgp.phlo.org@gmail.com> wrote: >> Well, you either wait for master to come up again and restart, or you >> flip into normal mode and keep running queries from there. You aren't >> prevented from using the server, except by your own refusal to >> failover. > > Very true. However, that "refusal" as you put it might actually be the > most sensible thing to do in a lot of setups. Not everyone needs extreme > up-time guarantees, and for those people setting up, testing and > *continuously* exercising fail-over is just not worth the effort. > Especially since fail-over with asynchronous replication is tricky to > get right if you want to avoid data loss. To say nothing that the replica might not be a suitable master at all. It could be running on inferior hardware or be on a separate network perhaps too slow to reach from production services. HA is not the only use case for HS or even the main one in my experience -- greg
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