Re: [PERFORM] Postgres on Netapp
От | Bruce Momjian |
---|---|
Тема | Re: [PERFORM] Postgres on Netapp |
Дата | |
Msg-id | 200401231501.i0NF19B08501@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [PERFORM] Postgres on Netapp ("D'Arcy J.M. Cain" <darcy@druid.net>) |
Список | pgsql-admin |
D'Arcy J.M. Cain wrote: > With the price of GigE adapters I wouldn't consider anything else. > > I have a huge database that takes about an hour to copy. The netApp snapshot > feature is very nice because I can get a "moment in time" image of the > database. Even though I can't run from the snapshot because it is read only > (*) and PG needs to write to files just to open the database, I can copy it > and get a runnable version of the DB. If I copy directly from the original I > can get many changes while copying and wind up with a copy that will not run. > > (*): It would be nice if PG had a flag that allowed a database to be opened in > read only mode without touching anything in the directory. PostgreSQL has to read the WAL to adjust the contents of the flat file on startup in such a setup, so I don't see how we could do it read-only. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
В списке pgsql-admin по дате отправления: