Re: [PERFORM] pg_restore taking 4 hours! - Mailing list pgsql-general

From Shridhar Daithankar
Subject Re: [PERFORM] pg_restore taking 4 hours!
Date
Msg-id 200412011955.23543.ghodechhap@ghodechhap.net
Whole thread Raw
In response to pg_restore taking 4 hours!  (Rodrigo Carvalhaes <grupos@carvalhaes.net>)
Responses Re: [PERFORM] pg_restore taking 4 hours!  ("Riccardo G. Facchini" <abief_ag_-postgresql@yahoo.com>)
Re: [PERFORM] pg_restore taking 4 hours!  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
On Wednesday 01 Dec 2004 4:46 pm, Rodrigo Carvalhaes wrote:
> I need to find a solution for this because I am convincing customers
> that are using SQL Server, DB2 and Oracle to change to PostgreSQL but
> this customers have databases of 5GB!!! I am thinking that even with a
> better server, the restore will take 2 days!
>
> My data:
> Conectiva Linux 10 , Kernel 2.6.8
> PostgreSQL 7.4.6.
>
> postgresql.conf modified parameters (the other parameters are the default)
> tcpip_socket = true
> max_connections = 30
> shared_buffers = 30000
> sort_mem = 4096
> vacuum_mem = 8192
> max_fsm_pages = 20000
> max_fsm_relations = 1000

Can you try bumping sort mem lot higher(basically whatever the machine can
afford) so that index creation is faster?

Just try setting sort mem for the restore session and see if it helps..

 Shridhar

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