Re: max_worker_processes on the standby
От | Alvaro Herrera |
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Тема | Re: max_worker_processes on the standby |
Дата | |
Msg-id | 20150715085751.GD2301@postgresql.org обсуждение исходный текст |
Ответ на | max_worker_processes on the standby (Fujii Masao <masao.fujii@gmail.com>) |
Ответы |
Re: max_worker_processes on the standby
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Список | pgsql-docs |
Fujii Masao wrote: > Hi, > > "25.5.3. Administrator's Overview" in the document > ----------------------------------------------------- > The setting of some parameters on the standby will need reconfiguration > if they have been changed on the primary. For these parameters, > the value on the standby must be equal to or greater than the value > on the primary. If these parameters are not set high enough then > the standby will refuse to start. Higher values can then be supplied > and the server restarted to begin recovery again. These parameters are: > max_connections > max_prepared_transactions > max_locks_per_transaction > ----------------------------------------------------- > > I found that the value of max_worker_processes on the standby also > must be equal to or greater than the value on the master. So we should > just add max_worker_processes to this paragraph. Patch attached. True. Also track_commit_timestamp. Can you add a comment somewhere in CheckRequiredParameterValues(void) that the set of parameters is listed in section such-and-such in the docs, so that next time there's a higher chance that the docs are kept up to date? -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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