Re:

On 05/15/2015 02:46 PM, Sachin Srivastava wrote:
>
> Hi,
>
> How can I fast my daily pg_dump backup. Can I use parallel
> option(Which is introduced in Postgres 9.3) with Postgres 9.1. There
> is any way I can use this is for 9.1 database.
>

IMHO, if has been introduced in 9.3, it is not in 9.1, unless you find
some official backport.

> My database size is 820 GB and it’s taking 7 hours to complete.
>

You need to provide some storage information and spécification.
With (most) bare filesystem operation such as "dd": how much IO rate do
you get?

Cheers.