Re: pg_dump consistency.
От | Anand Raman |
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Тема | Re: pg_dump consistency. |
Дата | |
Msg-id | 20010410101208.A21749@india-today.com обсуждение исходный текст |
Ответ на | pg_dump consistency. (Marc Wrubleski <mlwruble@sorexsoftware.com>) |
Список | pgsql-general |
hi Marc If u log all the queries which get executed when a dump takes place u will find that the pg_dump process first sets the transaction isolation level to serializable.. So i guess all the state of the database dumped is consistent with a point in time.. Hope this helps Anand On Mon, Apr 09, 2001 at 03:20:03PM -0600, Marc Wrubleski wrote: >Hi all, > >I have been reading but cannot find this particular bit of info. > >I need to guarantee to my customer that the pg_dump is consistent. I >couldn't guarantee consistency if the pg_dump is run while the db is >on-line, and we cannot take the db off-line to do backups. > >So, can anyone tell me >1. IF pg_dump is consistent (without taking the db offline), >2. if so, how does it do it? >3. if not, how can we get consistent backups without taking the db >offline? > >Thanks. > >Marc Wrubleski > > >---------------------------(end of broadcast)--------------------------- >TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org)
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