On Thu, Oct 11, 2012 at 8:15 PM, Vishalakshi Navaneethakrishnan
<nvishalakshi@sirahu.com> wrote:
> Hi Friends,
>
> We have our production environment database server in Postgres 8.3 version.
> we have planned to upgrade to lastest version 9.1. Dump from 8.3 and
> restore in Postgres 9.1 takes more than 5 hours. Any other quick method to
> upgrade from 8.3 to 9.1. We need to reduce our downtime below 1 hour. Any
> Possibilities..?
As downtime required approaches zero, the likelyhood of needing slony
approaches 1.