On Tue, Mar 31, 2009 at 9:57 AM, SHARMILA JOTHIRAJAH <sharmi_jo@xxxxxxxxx> wrote: > --- On Tue, 3/31/09, Scott Marlowe <scott.marlowe@xxxxxxxxx> wrote: > >> From: Scott Marlowe <scott.marlowe@xxxxxxxxx> >> Subject: Re: Space for pg_dump >> To: "SHARMILA JOTHIRAJAH" <sharmi_jo@xxxxxxxxx> >> Cc: "General postgres mailing list" <pgsql-general@xxxxxxxxxxxxxx> >> Date: Tuesday, March 31, 2009, 11:49 AM >> On Tue, Mar 31, 2009 at 7:57 AM, >> SHARMILA JOTHIRAJAH >> <sharmi_jo@xxxxxxxxx> >> wrote: >> > >> > Hi, >> > How much space does a pg_dump usually take? >> > One of my databases is 600GB.... How much space do I >> need to dump this? >> >> Note you can find out by doing: >> >> pg_dump dbname | wc >> > Yes...I could find the space used after creating the dump. > > But I need to pre-allocate some space for storing these dumps (there are other databases too that needs to be dumped). So Im trying to find a space estimate .... > Do you have a rough estimate of pg_dump in general... like 1/4 th of the database size or something like that...I just need a rough estimate for now It's hard to say. Why can't you RUN the example command on each db and see for yourself? It doesn't create a backup, per se, it just creates one and hands it to wc to see how big it is. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
