Re: 7 hrs for a pg_restore? - Mailing list pgsql-performance

From Vivek Khera
Subject Re: 7 hrs for a pg_restore?
Date
Msg-id 85ECB757-C29E-4736-8A78-41C498B06251@khera.org
Whole thread Raw
In response to Re: 7 hrs for a pg_restore?  (Guillaume Cottenceau <gc@mnc.ch>)
List 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.



pgsql-performance by date:

Previous
From: Tom Lane
Date:
Subject: Re: 7 hrs for a pg_restore?
Next
From: "Adonias Malosso"
Date:
Subject: 4s query want to run faster