Re: Differential Backups
От | Chris Dircks |
---|---|
Тема | Re: Differential Backups |
Дата | |
Msg-id | 001601c160fc$df081b00$af8606cf@beast обсуждение исходный текст |
Ответ на | Re: Differential Backups (Paul Tomblin <ptomblin@xcski.com>) |
Список | pgsql-general |
quote from gnu diff man page: -h This option currently has no effect; it is present for Unix compatibility. -----Original Message----- From: pgsql-general-owner@postgresql.org [mailto:pgsql-general-owner@postgresql.org]On Behalf Of Paul Tomblin Sent: Monday, October 29, 2001 6:31 PM To: pgsql-general@postgresql.org Subject: Re: [GENERAL] Differential Backups Quoting Alvaro Herrera (alvherre@atentus.com): > > Interesting idea. The one thing I might worry about is that 'diff' > > might (I'm not familiar with its algorithm) eat a great deal of memory > > if the dumps you're comparing are very large and significantly > > different. > > GNU diff reads in memory both files. You sure need lots to compare > medium sized databases, and I don't think this method will work on big > ones. Doesn't GNU diff have the "-h" option? -- Paul Tomblin <ptomblin@xcski.com>, not speaking for anybody Never underestimate the bandwidth of a station wagon full of tapes hurtling down the highway. -- Andrew Tanenbaum ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to majordomo@postgresql.org)
В списке pgsql-general по дате отправления: