Re: [HACKERS] Re: Clarifying "server starting" messaging in pg_ctlstart without --wait
От | Michael Paquier |
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Тема | Re: [HACKERS] Re: Clarifying "server starting" messaging in pg_ctlstart without --wait |
Дата | |
Msg-id | CAB7nPqTxB9OrJ0RmGK8QFBkM=AoCkRp-uGDR+AxKE37BP+fbtw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] Re: Clarifying "server starting" messaging in pg_ctlstart without --wait (Stephen Frost <sfrost@snowman.net>) |
Ответы |
Re: [HACKERS] Re: Clarifying "server starting" messaging in pg_ctlstart without --wait
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Список | pgsql-hackers |
On Thu, Jan 19, 2017 at 6:20 AM, Stephen Frost <sfrost@snowman.net> wrote: > On Wed, Jan 18, 2017 at 16:15 Robert Haas <robertmhaas@gmail.com> wrote: >> On Wed, Jan 18, 2017 at 3:59 PM, Stephen Frost <sfrost@snowman.net> wrote: >> > For non-cold standby configurations, pg_ctl is going to return just as >> > soon as the database has finished crash recovery, which in most cases >> > will probably be on the order of a few seconds. >> >> /me is poleaxed. >> >> Yeah, that was a confused sentence- most of the time it's going to return >> on the order of a few seconds because we're doing regular startup without >> having to do any crash recovery. >> >> >> For actual crash recovery cases, it'll take between a few seconds and >> checkpoint_timeout, as I described up-thread, based on the amount of >> outstanding WAL. Recovering up to the minumum recovery point could take minutes! -- Michael
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