On 26/01/07, Jim Nasby <decibel@xxxxxxxxxxx> wrote:
On Jan 25, 2007, at 12:47 PM, Benjamin Smith wrote:
> On Tuesday 23 January 2007 13:55, Carlos wrote:
>> What would be the faster way to convert a 7.4.x database into an 8.x
>> database? A dump of the database takes over 20 hours so we want
>> to convert
>> the database without having to do a dump and resptore.
>
> You've probably already accounted for this, but make sure you've
> tried your
> options for loading the database. Using long ("insert") form vs
> copy can make
> a *huge* performance difference.
In case no one's mentioned it already, you can also perform this
migration using Slony, by making the 7.4 database the master, and
replicating to an 8.x database.
In case this is not what you meant above, you can pipe a dump directly
into psql, so that keeps it to only 20hrs...
Cheers
Antoine
