Re: 7 hrs for a pg_restore?

Vick Khera <vivek@khera.org>

From: Vivek Khera <vivek@khera.org>
To: pgsql-performance Performance <pgsql-performance@postgresql.org>
Date: 2008-02-21T19:17:40Z
Lists: pgsql-performance
On Feb 21, 2008, at 12:28 PM, Guillaume Cottenceau wrote:

> I have made a comparison restoring a production dump with default
> and large maintenance_work_mem. The speedup improvement here is
> only of 5% (12'30 => 11'50).

At one point I was evaluating several server vendors and did a bunch  
of DB restores.  The one thing that gave me the biggest benefit was to  
bump the number of checkpoint segments to a high number, like 128 or  
256.  Everything else was mostly minor increases in speed.