On Thu, Jun 10, 2010 at 3:22 PM, Andy Colson <andy@xxxxxxxxxxxxxxx> wrote: > On 6/10/2010 3:25 PM, Aleksey Tsalolikhin wrote: >> >> PostgreSQL 8.4.2 response time slows during pg_dump of a 14 GB database. >> >> Specifically, I am monitoring how long it takes to login to our Web >> app - usually under 2 seconds, but when pg_dump is running, that >> changes to 2 - 18 seconds. >> >> Is there any way I can keep my response fast but still get my pg_dump? >> Or should I move my pg_dump to a Slony-I slave? >> >> Best, >> -at >> > > It depends: > if you are cpu bound, you could try nice. > if you are network bound then dont pg_dump across the network > if you are io bound, pg_dump to a different drive, or pg_dump across > the network. > > > Isnt the slave a backup anyway? Do you need another dump? Replication does not equal backup. For instance how would you recover from "delete from table" with no where clause with replication? -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general